How many cats is TOO many cats?

I take attendance by having the students answer a question.

How many cats is too many cats?

Many people picked an integer from 1 to 20.

How many cats is too many cats? Negative-attitude answers included:

• "1 (I'm allergic)"
• "0 --> there needs to be less aka cats--;"
• ":("

How many cats is too many cats? Positive-attitude answers included:

• "∞"
• "does not exist"
• "when you run out of space"
• "cats, 10 -- kittens, ∞"
• "when n∈N""

How many cats is too many cats? I'm not sure how to interpret:

• "2√"
• "-1"
• "7.53689243781197942"
• "log(cat)"

This post's theme word is apricate (v), "to bask in the sun" or "to expose to the sun." The apartment was draped with apricating cats.