Teacher: Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "She was ice skating on ice"
- Sentence B: "She was ice skating on mud"

Student: Ice skating can only be done on an ice surface.
The answer is Sentence B.

Teacher: Pick which sentence is not logical.
Options:
- Sentence A: "erasers can erase pencil markings"
- Sentence B: "glue can erase pencil markings"

Student: Pencil markings are not erasable by using glue.
The answer is Sentence B.

Teacher: Pick which sentence is not logical.
Options:
- Sentence A: "He explained detailed steps on the sky to all the students"
- Sentence B: "He explained detailed steps on the white board to all the students"

Student: The steps can't be written on the sky.
The answer is Sentence A.

Teacher: Pick which sentence is not logical.
Options:
- Sentence A: "There are many spceships in the sea."
- Sentence B: "There are many fish in the sea."

Student:
Spaceships travel through space and not water so they are usually not found is seas.
The answer is Sentence A.