Which of the following sentences is grammatically CORRECT ?

"There are too many stairs; I’d rather take the elevator." correctly uses the word stairs to refer to the steps leading up to a higher elevation.
"There are too many stares; I’d rather take the elevator." incorrectly uses the homophone stares, meaning “to look intensely.”
"There are too many steers; I’d rather take the elevator." incorrectly uses steers, meaning “cows.”
"There are too many stars; I’d rather take the elevator." incorrectly uses stars, meaning “celestial objects,” which is a nonsensical choice in the context of this sentence.