Teacher: Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "It was too noisy outside, so he opened the window"
- Sentence B: "It was too noisy outside, so he closed the window"

Student: Opening a window would increase the volume one hears outside.
The answer is Sentence A.

Teacher: Pick which sentence is not logical.
Options:
- Sentence A: "He communicated with his friends by letter"
- Sentence B: "He communicated with his friends by newspapers"

Student: Why would he communicate with his friends by newspapers? he could easily communicate with them in other ways.
The answer is Sentence B.

Teacher: Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "the prisoners are in the clouds"
- Sentence B: "the prisoners are in a cell"

Student: Prisoners cannot go to clouds as they are high up in the sky.
The answer is Sentence A.

Teacher: Which of the following two sentences does not make sense?
Options:
- Sentence A: "You can conquer your opponent if you understand him."
- Sentence B: "You can conquer your opponent without understanding him."

Student:
As the saying goes, know yourself and know your enemy.
The answer is Sentence B.