Two types of beer is the subject
Answer:

No, the correct answer will be:
✏ <u>No liquor is allowed here, is it?</u>
If the question was - 'Liquor is allowed here, is it?', then the answer will be Liquor is allowed here, isn't it?
ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

Answer: Yes because the workload can get bigger for people and that causes them to stay up longer and they have to go to sleep later