Read the text and determine if the sentence is true (see options at the end):

The Dirty Table<br>Jan went to eat at a fast food restaurant. There was only one table empty. The empty table was filthy. Jan grabbed a stack of napkins. She cleaned the table off before sitting.

Sentence: Jan was happy to help out the staff at the restaurant because they were so busy.
Available options:
 +Yes;
 +It's impossible to say;
 +No;
It's impossible to say