[TEACHER] Pick which sentence is not logical.
Options:
- Sentence A: "The duty of a soldier is to protect his country."
- Sentence B: "The duty of a soldier is to teach and educate."

[Student] It is the teachers' duty is to teach and educate.
The answer is Sentence B.

Teacher: Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "Pens are made of wood."
- Sentence B: "Pencils are made of wood."

Student: Pens are made of steel, but pencils are made of wood.
The answer is Sentence A.

question in book:
Which of these sentences doesn't make sense?
Options:
- Sentence A: "Water is all we need to nourish a small baby."
- Sentence B: "Milk is all we need to nourish a small baby."

standard solution:
Water does not have enough nutrition for the baby.
The answer is Sentence A.

[TEACHER] Pick which sentence is not logical.
Options:
- Sentence A: "He put the staples into the stapler"
- Sentence B: "He put the staples into the lighter"

[Student] You can't put staples into a lighter, they're not designed for that.
The answer is Sentence B.

Teacher: Which of these sentences doesn't make sense?
Options:
- Sentence A: "The lock needs a key to open."
- Sentence B: "The locks need hair to open."

Student: A lock is assigned a very specific sequence to access.
The answer is Sentence B.

question in book:
One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "We usually board the plane before going through the security check"
- Sentence B: "We usually go through the security check before boarding the plane"

standard solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
One goes through a security check prior to boarding a plane so one cannot enter the plane first.
The answer is Sentence A.