Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.
Example: Paragraph- Sent 1: Obama was born on August 4, 1961, at Kapiʻolani Maternity & Gynecological Hospital in Honolulu, Hawaii.
Sent 2: He is the only President to have been born in Hawaii.
Sent 3: He was born to a white mother and a black father.
Sent 4: His mother, Ann Dunham (1942-1995), was born in Wichita, Kansas, of mostly English descent, with some German, Irish, Scottish, Swiss, and Welsh ancestry. Question: How old was Obama's mother when he was born?
Example solution: 19.
Example explanation: Obama was born in 1961. His mother was born in 1942 and 1961-1942=19. Therefore, any of the following responses are considred correct: '19' and 'almost twenty'.

Problem: Paragraph- Sent 1: Magnetism is the ability of a material to be attracted by a magnet.
Sent 2: It also include the ability for some material to act like a magnet.
Sent 3: No doubt youve handled refrigerator magnets.
Sent 4: You can see some in Figure 1.28.
Sent 5: You probably know they stick to a metal refrigerator.
Sent 6: This is what holds your homework up.
Sent 7: Maybe your little sisters drawings are hung on the fridge in this manner.
Sent 8: Do magnets stick to all materials?
Sent 9: Of course not.
Sent 10: You have probably checked and they do not stick to other surfaces.
Sent 11: They do not stick to wooden doors or glass windows.
Sent 12: Wood and glass are not attracted to a magnet.
Sent 13: Obviously, only certain materials are attracted to magnets. 
Question: Do magnets stick to all materials?.

Solution: No.