The three words w1, w2, w3 are related in the following manner:
w1 specifies a profession,
w2 a state
and w3 a liquid connected somehow with w1 and w2

Furthermore w1-ART=w2=w3+ND

Find the three words and the connection between them.

Remark: "-ART" means "erase ART ", while "+ND" means "add ND ".