Teacher: Pick which sentence is not logical.
Options:
- Sentence A: "Use the feather to start the car."
- Sentence B: "Use the keys to start the car."

Student: You need car keys to start a car not a feather.
The answer is Sentence A.

Teacher: Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "The children built a giant microscope when they were at the beach."
- Sentence B: "The children built a giant sand castle when they were at the beach."

Student: Children don't create microscopes and microscopes are not created at the beach.
The answer is Sentence A.

Teacher: Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "He gave her a necklace for her birthday."
- Sentence B: "He gave her a rock for her birthday."

Student: A rock is not a good gift to give to somebody.
The answer is Sentence B.

Teacher: Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "an elephant trampled an ant to death"
- Sentence B: "an ant trampled an elephant to death"

Student:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
An ant weighs too little to effect an elephant if it steps on it.
The answer is Sentence B.