Which sentence sets a humorous tone?

It would be easier to look forward to the party if we didn't have all this work to do.
The work we have to do before the party is a real drag on my good attitude.
I need to do work before a party like my little sister needs another boy band poster.
We have much to do before we can begin to think about going to the party.

Question

Which sentence sets a humorous tone?

It would be easier to look forward to the party if we didn't have all this work to do.
 The work we have to do before the party is a real drag on my good attitude.
 I need to do work before a party like my little sister needs another boy band poster.
 We have much to do before we can begin to think about going to the party.

Mercury · Answer

thoughts?

major key word: "humorous" so think about which sentence is the best example of someone trying to be funny/inspire laughter