Context: Dad , Brother , and Sister went about 20 years ago , but I did not for many reasons . One of them a big reason , which no one seems to remember but me . I may talk about that another time .

Question: What may be the reason for them not wanting to talk about it ?
Options:
0. This is someone else 's story .
1. This is an uncomfortable topic for them .
2. None of the above choices .
3. This story did n't really happen .
Answer: 1