We're going to the zoo, zoo, zoo

S took D and A to the zoo, with one of her friends, and their children. They stayed there for about 6 hours, and were reasonably exhausted when they got back.
I asked A and D what they did at zoo. "Played on the playground" they said.
What else, I asked. "Bought things in the shop" they said.
What else, I asked "Ate chips" they said.
"Did you see any animals?" They looked sort of confused and blank. "Did you see a giraffe?"
They eventually confessed that yes, they might have seen a giraffe.
"Was it very, very tall?"
"No, it was a baby."
That was it for animals.