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: I put in one billion dollars into my bank account. Then i put in two billion dollars into my account. Now I have
Completion A: one billion dollars
Completion B: three billion dollars
Completion C: nothing
Completion D: nothing
A:
Completion B