In this task, you will be shown a conversation and a question. You need to answer the question and choose the correct option based on the conversation. "W" and "M" in the conversations stand for "woman" and "man".
One example: M: I am considering dropping my dancing class. I am not making any progress. W: If I were you, I stick with it. It's definitely worth time and effort., Question: What does the man suggest the woman do? (A) Consult her dancing teacher. (B) Take a more interesting class. (C) Continue her dancing class.
Solution is here: (C) Continue her dancing class.
Explanation: This is a good example. Based on the conversation, we could understand that only option (C) is correct.

Now, solve this: W: I hear you're going home, aren't you? M: I wanted to go on Monday, but I couldn't get a ticket for Monday, I bought a ticket for Tuesday. W: Why are you in such a hurry? M: My mother is ill. She has been sent to the hospital. W: How did you get the news? Did your mother send you a letter? M: My sister telephoned me this morning. She asked my father and me to go back. W: Then how long are you going to stay at home, two or three days? M: At most four days. I'll be back for the meeting., Question: Who told the man the news? (A) His sister. (B) His father. (C) His mother.
Solution:
(A) His sister.