You are given a sentence, a question and two answer options. Your task is to write down the index ('A' or 'B') of the **incorrect** option for the given question.

Sentence: An elephant has escaped from the zoo and is on a rampage through the streets of the city! Employees armed with tranquilizer guns find the elephant and take shots at its thick hide, while one stray dart hits a person right in the arm. Question: Who has more resilient protection against the darts? (A) The human (B) The elephant
A

Sentence: Jim and Bob are running on the track.  Jim has a hurt knee and can't run as fast. Question: After a half hour, who has run further? (A) Jim (B) Bob
A

Sentence: A pebble sinks smoothly into a pond, but not into an ocean. Question: Which surface will the pebble plunge deeper into? (A) pond (B) ocean

B