Come up with a question and reasoning that would justify this answer: Sentence A
The question is: 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."

Step-by-step reasoning process: Children don't create microscopes and microscopes are not created at the beach.
