Dad's birthday

I took my Dad to Australia for his 70th birthday.

We were in a nice restaurant in Sydney when suddenly he shouted out, "I hate aborigines!"

I said, "Dad, you can't say that here."

But he just wouldn't shut up. Again he shouted, "I hate aborigines!"

"Dad, you just can't say that in a restaurant," I told him, "and in any case,

Spoiler:

it's pronounced aubergines."