instruction:
Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
question:
It swings open revealing a stunned someone on her cellphone.
answer:
Someone faces a door and knocks.

question:
The crowd is cheering and gesturing.
answer:
A man is leading the band.

question:
Amazingly, someone continues fighting, but another arrow. and another, brings him to his knees.
answer:
A black arrow suddenly thuds into someone's chest.