question: What event happened to Theotokos that was of significant religious note ?
answer: she was `` purified '' at the Annunciation
turker_answer: Theotokos was `` purified '' at the Annunciation is what happened that was of significant religious note .
rule-based: She was `` purified '' at the Annunciation happened to Theotokos that was of significant religious note .