[One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "Some volcanoes do not erupt"
- Sentence B: "Every volcano erupts"
]

My step-by-step solution: Volcanoes can be calm and still for many years and many never erupt.... So the answer is [Sentence B]

[Which of the following sentences is nonsensical?
Options:
- Sentence A: "There's not enough water in outer space for us to breathe."
- Sentence B: "There's not enough oxygen in outer space for us to breathe."
]

My step-by-step solution: If you breathe in water, you will choke.... So the answer is [Sentence A]

[Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "the river belongs to a drop of water"
- Sentence B: "a drop of water belongs to the river"
]
My step-by-step solution: A river can't belong to a drop of water because it contains much more water than a drop.... So the answer is [Sentence A]