question in book:
Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "Human activities do not pollute the air and water."
- Sentence B: "Human activities can pollute air and water."

standard solution:
Human creates a household and industrial waste which causes environmental problems.
The answer is Sentence A.

question in book:
Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "We don't need to wash our hands after going to the toilet."
- Sentence B: "We should wash our hands after going to the toilet."

standard solution:
It is unsanitary not to wash hands after going to the toilet.
The answer is Sentence A.

question in book:
Which of the following sentences is nonsensical?
Options:
- Sentence A: "If there is the sun in the sky, usually we can also see the moon"
- Sentence B: "If there is the sun in the sky, usually we can't see the moon"

standard solution:
Usually the moon is not out at the same time as the sun.
The answer is Sentence A.

question in book:
Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "The bird flushed the tree."
- Sentence B: "The bird flew to the tree."

standard solution:
You can flush a toilet but not a tree.
The answer is Sentence A.