You are given a paragraph, with numbered sentences, and a question. Write the numbers of the sentences needed to answer the given question. Separate multiple sentence numbers with a comma (", "). E.g. "1, 2" would be the correct response if Sent 1 and Sent 2 are needed to answer the given question (do not include sentences that contain no information that is necessary to answer the question). Sort the sentence numbers in an increasing order (i.e., '1, 2', instead of '2, 1'). Your answer should not contain anything than the sentence numbers separated by a comma (e.g. '1, 2, 3, 4'). The given question requires more than one sentence to answer. So, your answer must contain at least one comma (", ").

Example Input: Paragraph- Sent 1: The tree that the chipmunks Alvin , Simon , and Theodore live in is cut down and driven to Los Angeles .
Sent 2: Once in L.A. , the Chipmunks meet struggling songwriter David Seville ( ( ( Jason Lee who had his latest song rejected by JETT Records executive Ian Hawke , his old college roommate .
Sent 3: Dave also once had a relationship with his next door neighbor , Claire Wilson .
Sent 4: Dave also a former boss , Gail .
Sent 5: After winding up at Dave 's interview , the Chipmunks hop into his basket and follow him home .
Sent 6: Once at home , Dave discovers the Chipmunks , and is accidentally knocked unconscious .
Sent 7: Upon waking , he kicks them out until hearing them sing `` Only You '' .
Sent 8: Dave then makes a deal with them ; they sing the songs he writes , and in exchange he provides food and shelter for them .
Sent 9: However , all does not go well , as Dave 's job presentation is ruined by their coloring on it , and when Alvin tries to set the mood for his dinner with Claire , things become weird and she rejects him after he tells her , `` My life is being sabotaged by talking chipmunks . ''
Sent 10: To make it up to Dave , the boys go to Ian in an attempt to record a song and get a record deal .
Sent 11: Once the Chipmunks sing Dave 's song to Ian , Ian signs them to the label and rehires Dave the next day .
Sent 12: After a few singles , the Chipmunks become wildly popular .
Sent 13: When Dave expresses concern for their well-being and insists that the Chipmunks are `` kids '' who do n't need so much craziness in their lives , Ian convinces the Chipmunks that Dave is holding them back . 
Question: Dave expresses concern for the Chipmunks' well-being after what happens?.
Example Output: 12, 13.

Example Input: Paragraph- Sent 1: Fossils give clues about major geological events.
Sent 2: Fossils can also give clues about past climates.
Sent 3: Fossils of ocean animals on the top of a mountain?
Sent 4: Ocean animals have been found on the Earths tallest mountain.
Sent 5: Its hard to believe, but it is true.
Sent 6: These fossils were found at the top of Mt. Everest.
Sent 7: Mt. Everest is the highest mountain on Earth.
Sent 8: These fossils showed that this entire area was once at the bottom of a sea.
Sent 9: It can only mean that Mt. Everest was uplifted.
Sent 10: In fact, the entire Himalaya mountain range was raised.
Sent 11: It was forced up from the collision of two continents.
Sent 12: Fossils of plants are found in Antarctica.
Sent 13: Now, Antarctica is almost completely covered with ice.
Sent 14: Plants do not grow in Antarctica.
Sent 15: According to fossils, they once did.
Sent 16: This means that Antarctica was once much warmer than it is now.
Sent 17: These fossils tell us about Antarcticas past climate. 
Question: What Is the evidence that temperature used to be warmer in Antarctica?.
Example Output: 2, 14, 15, 16.

Example Input: Paragraph- Sent 1: In Italy, he returned to painting, at first producing a series of works executed in tempera on linen.
Sent 2: These include portraits and altarpieces, notably, the Paumgartner altarpiece and the Adoration of the Magi.
Sent 3: In early 1506, he returned to Venice and stayed there until the spring of 1507.
Sent 4: By this time Durer's engravings had attained great popularity and were being copied.
Sent 5: In Venice he was given a valuable commission from the emigrant German community for the church of San Bartolomeo.
Sent 6: This was the altar-piece known as the Adoration of the Virgin or the Feast of Rose Garlands.
Sent 7: It includes portraits of members of Venice's German community, but shows a strong Italian influence.
Sent 8: It was subsequently acquired by the Emperor Rudolf II and taken to Prague.
Sent 9: Other paintings Durer produced in Venice include The Virgin and Child with the Goldfinch, Christ Disputing with the Doctors (supposedly produced in a mere five days), and a number of smaller works. 
Question: By the end of what year did Durer's engravings become very popular?.
Example Output:
3, 4.

