Teacher: Which of these sentences doesn't make sense?
Options:
- Sentence A: "Rubber never hardens"
- Sentence B: "Rubber will harden over time"

Student: If I freeze the rubber it will harden.
The answer is Sentence A.

question in book:
Which of the following two sentences does not make sense?
Options:
- Sentence A: "He put ribs on the grill to barbecue."
- Sentence B: "The grill put ribs on to barbcue."

standard solution:
A person can put ribs on a grill to barbecue but a grill cannot put on ribs to barbecue.
The answer is Sentence B.

[TEACHER] Which of the following two sentences does not make sense?
Options:
- Sentence A: "If you have an appointment with someone else, you mustn't be punctual."
- Sentence B: "If you have an appointment with someone else, you must be punctual."

[Student] People expect other to be punctual for appointments.
The answer is Sentence A.

Teacher: Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "flash memory is a digital recording medium"
- Sentence B: "mouse is a digital recording medium"

Student: A computer mouse is not a tool for digital recording.
The answer is Sentence B.

question in book:
Choose the sentence that goes against common sense.
Options:
- Sentence A: "Mike is such a hypocritical person that he's well-liked among friends."
- Sentence B: "Mike is such a genuine person that he's well-liked among friends."

standard solution:
A hypothetical person always lies to others, and people usually don't like to make friends with a liar.
The answer is Sentence A.

Teacher: Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "Mother waters the flowers once a week."
- Sentence B: "Mom puts oil on the flowers once a week."

Student:
Oil cannot be used to water the flowers.
The answer is Sentence B.