Jade: One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "Most people sleep on air"
- Sentence B: "Most people sleep on beds"

Lux: This should be the solution: It is physically impossible to sleep on air. The answer is Sentence A.

Jade: Which of these sentences doesn't make sense?
Options:
- Sentence A: "Obama delivered a speech with a microphone in public"
- Sentence B: "Obama delivered a speech with a microscope in public"

Lux: This should be the solution: Microscopes are used for enhancing vision, one would not serve a purpose during a speech. The answer is Sentence B.

Jade: Which of the following two sentences does not make sense?
Options:
- Sentence A: "A cat is a good pet for a human."
- Sentence B: "A cat is a good pet for a dog."

Lux: This should be the solution: A dog cannot take care of a cat. The answer is Sentence B.

Jade: Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "I traveled to Spain by bird."
- Sentence B: "I traveled to Spain by plane."

Lux:
This should be the solution: Nobody can travel by birds, because they are not means of transportation. The answer is Sentence A.