[Which of these sentences doesn't make sense?
Options:
- Sentence A: "Helium is an element."
- Sentence B: "Helium is just like oxygen."
]

My step-by-step solution: Helium and oxygen are not the same elements.... So the answer is [Sentence B]

[One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "He ate a crane."
- Sentence B: "He ate barbecue."
]

My step-by-step solution: A crane and made of metal is not fit for eating.... So the answer is [Sentence A]

[Which of the following two sentences does not make sense?
Options:
- Sentence A: "She cooks food using sea water."
- Sentence B: "She cooks food using fresh water."
]
My step-by-step solution: Sea water is salty and cannot be used for cooking.... So the answer is [Sentence A]