Given a prompt and four completions, select the completion that is the most plausible in continuing or answering the prompt. This task is designed to test common sense and has various categories ranging between idioms, negated statements, polysemy, subject referencing, and quantitative reasoning. Generate either Completion A, Completion B, Completion C, or Completion D.

Q: Prompt: John and Johnny, professional swimmers, are swimming. They 
Completion A: start drowning for no reason 
Completion B: jump in the water 
Completion C: do butterfly 
Completion D: start drinking water.

A: Completion C
****
Q: Prompt: Joseph wants to know the harm of smoking cigarettes. He 
Completion A: knows the harm of smoking cigarettes. 
Completion B: asks cigarettes about the harm of smoking cigarettes. 
Completion C: goes out and tries smoking a cigarette. 
Completion D: does research on the effects of tar.

A: Completion D
****
Q: Prompt: My brother is three years younger than me. I 
Completion A: feel jealous that I was always more successful than him. 
Completion B: will be forty when he is thirty. 
Completion C: wonder if his name is Henry. 
Completion D: remember being an only child before he was born.

A:
Completion D
****