Two Solutions to the Pronoun Gender vs. Pronoun Number Agreement Conflict
Generalize in the Plural:
Students who . . . they . . .
Grammarians ought to . . . or they would not bother trying to . . .
Or Generalize in the Singular to the Only Possible Gender:
An NFL quarterback should always . . . because he . . .
A member of Goucher's Women's Field Hockey Team never . . . although she sometimes . . .