Context: It seems our sons share their father 's and my sarcastic sense of humour . Perhaps it is a survival skill , but it is a skill they have mastered nonetheless .

Question: Why would the mother be unsure whether to believe her son ?
Options:
0. Her son is a joker .
1. Her son is a liar .
2. None of the above choices .
3. Her son is a con artist .
Answer: 0

Question: How would the writer react to their son 's sarcasm ?
Options:
0. None of the above choices .
1. They will wonder where the attitude came from .
2. They will wonder where they went wrong .
3. They will respond with more sarcasm .
Answer: 3

Question: Why would the mother be unsure whether to believe her son ?
Options:
0. Her son is a liar .
1. Her son is deceitful .
2. Her son is a con artist .
3. None of the above choices .
Answer: 3