Complete the dialogue .Dad:Listen,boys ! Did you remember that it is Mother's Day...

Dad:Listen,boys ! Did you remember that it is Mother's Day tomorrow?
We could arrange a party for Mum,couldn't we?
Jack: Yeah, we could organise a surprise-party!
Andrew: Not a bad idea!Let's talk about how to do it.
Jack:I know!I'll be responsible for flowers.I know she likes white roses.
Dad: OK. I'll make a greeting card then. And you , Andrew?
Andrew: I'll be responsible for music . And Jack could make a pie .
Jack: What ? Why me?I think we should make a cake together, shouldn't we?
Dad: OK, let's cook an apple pie for her.