You will be given a definition of a task first, then some input of the task.
Given a prompt and two completions from a language model, select the completion that is the most fluent with respect to continuing the prompt. Fluency is defined by coherency and ease of understanding, not necessarily grammatical correctness. Generate either Completion A or Completion B.

Prompt: Spire installed on New York's One World Trade Center brings it to 
Completion A: life during the building of World Trade center One. Photo: Michael Macor / The Wall Street JournalNew York fire investigators investigate the scene of 
Completion B: the fore  By John Bresnahan  6 March 2013  A new steel skyscraper is being built on top of the twi
Output:
Completion A