Context: It was so bad I could n't suspend disbelief . It was so bad I looked at myself afterwards and said " damn I could have been playing world of warcraft all day . " I was told today that you ca n't sneak up behind someone in a fight .

Question: what may be some plausible effects of sneaking up on someone ?
Options:
0. It could make a person feel bad
1. It could trigger defensive or confrontational instincts
2. It could trigger remedial suspense
3. It only occurs in games
Answer: 1