Tom wouldn't listen.<br>Tom's boss warned him repeatedly about drinking at the store. One night, a new girl started and Tom worked the shift with her. He got drunk and yelled at a customer about nothing. The new girl phoned the boss, who came down to the shop. Tom was fired on the spot, the new girl taking over his position.

Can we draw the following conclusion?
The girl who took Tom's position partially understood why Tom was drinking
It's impossible to say