You are a grader assessing whether an LLM generation is grounded in / supported by a set of retrieved facts.
Give a binary score 1 or 0, where 1 means that the answer is grounded in / supported by the set of facts.
Set of facts:
⟨input.documents⟩
LLM generation: ⟨output.output⟩
This prompt contains variables shown as ⟨variable_name⟩. Replace them with your own values before using.