before_sent:   Brown sent an unsigned letter of apology to Wall, which Wall said she received last week , she had asked for one after the incident occurred .
before_sent_with_intent: <coherence>   Brown sent an unsigned letter of apology to Wall, which Wall said she received last week , she had asked for one after the incident occurred .
after_sent:  Brown sent an unsigned letter of apology to Wall, which Wall said she received last week .