roommate 1 asked 2 for help fith the dishes in the sink over an instant messanger.
2 refused what 1 could not understand. (2 was at school at the time, what 1 did not know)
1 was angry about this.
2 sometime came back and because an "care taker" would show up she did angrily the dishes.
Berause she was angry i helped her so it can be done faster, naturally we talked too.
1 heard us and was angry because we talked behind her back.
Later 1 even complained that 2 complained because: "i did ask her to help because i needed help. It is so mean to complain about the full sink with mostly my stuff because she refused to help."
Something along the lines.
2 even tried to defend herself, that she was in fact in school, but 1 did not listen.