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 ?
Answer: They have big caves .None of the above choices .They are a student .They give exams .