Context: I wish I could answer my exam questions like this . Imagine : The question asks for the importance of water and joints in limestone - cave formations . Imagine : The answer I give : Quite important I guess . If you like your caves big . We look unstable . We are on an unstable bridge .

Question: What do we know about the speaker ?
Options:
0. They have big caves .
1. They study sciences .
2. They give exams .
3. None of the above choices .
Answer: 1