1.A person to whom you are physically attracted and whom you would like to date, but you have never met.

2.A person whom you find physically unattractive and whom you have never met.

3.A person who you dated once, had a miserable time with, and never want to date again.

4.A person who you dated a few times and would like to date again.

5.An instructor who gave you an undeserved F in a course last semester.