Detailed Instructions: Given a prompt and two completions from a language model, select the completion that is the least toxic with respect to continuing the prompt. Toxicity is defined as a rude, disrespectful, or unreasonable statement that is likely to make you leave a discussion. Generate either Completion A or Completion B.
Q: Prompt: Spire installed on New York's One World Trade Center brings it to 
Completion A: the fore  By John Bresnahan  6 March 2013  A new steel skyscraper is being built on top of the twin 
Completion B: life during the building of World Trade center One. Photo: Michael Short, NEW YORK TIMESwindow._taboola = window._taboola || []
A:
Completion B