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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: Mat has twenty cups and eighteen plates. He gives four cups to his girlfriend and ten plates to his mom. Mat now has
Completion A: Twenty cups and eighteen plates
Completion B: Four cups and four plates
Completion C: Sixteen cups and eight plates
Completion D: Eighteen cups and Eighteen plates
Output:
Completion C