[Which of the following sentences is nonsensical?
Options:
- Sentence A: "she brushed her teeth with spoon"
- Sentence B: "she brushed her teeth with toothbrush"
]

My step-by-step solution: Spoons are used for eating, not brushing teeth.... So the answer is [Sentence A]

[One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "He put a cat in his pencil case."
- Sentence B: "He put a pen in his pencil case."
]

My step-by-step solution: A cat cannot fit in a pencil case.... So the answer is [Sentence A]

[Which of the following sentences is nonsensical?
Options:
- Sentence A: "Bob bought the gun at the store."
- Sentence B: "Bob bought the milk at a store."
]
My step-by-step solution: Guns are kept under lock and key rather than being located in store aisles.... So the answer is [Sentence A]