What's your excuse?

I can't teach you to read because I have to build a robot.

You have to build me a bed frame.

Im unable to fix your bedframe,Went ice fishing and fell through the ice and in hospital with frostbite and hypothermia. You have to stay at my house and feed my cat till I get back.

I can't feed your cat because your cat is possessed by a demon.
You have to get rid of the demon.

I can't because Im already posessed by one.

You have to free Lucifer from hell and restore him to earth!

I can't because I love peace.

You have to buy a cat.

I can't because the pet shop has gone into liquidation.

You must by me a horse!

I cannot because i live in a city

you have to go to an Italian restaurant.

I can't because there's no Italian restaurant here.

You have to buy a car.

I can't, Trump stole my small loan.

Spike that stranger's coke.

I can't because I don't know what that is

You have to get me a sprite