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: Books like this are a dime a dozen. They 
Completion A: are very rare to find. 
Completion B: cost 10 cents. 
Completion C: come in packs of 12. 
Completion D: are very common.

A: Completion D
****
Q: Prompt: The lifeguard saw that someone was drowning. They should 
Completion A: rescue that person. 
Completion B: use his phone to record. 
Completion C: remove all the water from the pool to prevent anyone from drowning. 
Completion D: call his mother.

A: Completion A
****
Q: Prompt: A pride of lions closed in on gazelle along a riverbed. They then 
Completion A: prepared the dining table 
Completion B: killed and ate its carcass 
Completion C: sunbathed and purred along the riverbed 
Completion D: drank water in the river with the gazelle

A:
Completion B
****