Answer:
If you're worried that grandpa will bite, just remove these.
Why did the chicken cross the road?
What do you call a three humped camel?
What do you get when you cross a chicken and a pig?
What has four fingers and one thumb, but is not alive?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?