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.

Prompt: Extra credit helps to score an A. By working for extra credit I am trying to 
Completion A: gain extra weight. 
Completion B: pass with flying colors. 
Completion C: fail all my classes. 
Completion D: score a goal in soccer.
Completion B

Prompt: Ketchup dates back as far as 1600 AD, when sailors traveling to China discovered a sauce called ketsiap. It 
Completion A: was easy to make ketchup boats during that time. 
Completion B: quickly changed ingredients to include sofa and toilet. 
Completion C: began the transformation to today's sweet potato in the late 1700s. 
Completion D: was a sauce that was made out of soy or oysters and didn't contain tomatoes.
Completion D

Prompt: A dog stares out the window. He 
Completion A: wants to write messages in the window fog. 
Completion B: sees the neighbors across the street and wants to say hi. 
Completion C: is waiting for the mailman to bring him his paycheck. 
Completion D: is longing for the better days of his youth.

Completion B