Pam worked as a security guard. the other security guards, all men, routinely verbally harassed her because she was doing a "man's work." additionally, they would hide her badge and keys to the client's doors. her uniform was greased and motor oil was poured inside her purse while it was in her locker. pam complained to her supervisor who asked immediately if any of the men had ever touched her. when she said no, the supervisor said there was nothing he could do to stop it, that it was just horseplay.

The answer is "Pam does have a claim for sexual harassment because she is being harassed because she is a woman."
We can define sexual harassment as  unwelcome sexual gestures, demands for sexual favors, and other verbal or physical lead of a sexual sort when either: 
The conduct is made as a term or state of a person's business, training, living condition or support in a University people group. 
The acknowledgment or refusal of such direct is utilized as the premise or a factor in choices influencing a person's business, training, living condition, or support in a University people group. 
The direct irrationally impacts a person's work or scholarly execution or makes a scary, threatening or hostile condition for that person's business, instruction, living condition, or support in a University people group.