You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).

Sentence: The planet Saturn has more mass then the planet Mercury. Question: Which plant has less of a gravitational field? (A) Saturn (B) Mercury
Saturn

Sentence: A comet approaches Earth, and will fly equidistant between the ISS and the moon. Question: Which of the two is large enough to provide the best hope of attracting the comet so that it avoid the Earth? (A) The ISS (B) The moon
The ISS

Sentence: Henry rolled two balls down the slide at the park, a softball and a ping pong ball. Question: Which one reached the bottom first? (A) the softball (B) the ping pong ball

the ping pong ball