The logic of kids

[rebbonk]

The teacher told the kids to draw a grassy meadow and a cow eating the grass.

By the end of the hour, all the kids had some more or less drawn pictures of that topic, except for Judy.

Judy had a blank page. So the teacher asked, "Where is your grass?"

Judy answered: "The cow ate it all."

Then the teacher asked: "Where is the cow?"

Judy answered:

Spoiler:

"When there was no grass left, the cow walked away."