SO YOU THINK YOU'RE SMART: Tasty

There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What is it?

A watermelon is a fruit has that a smooth hard rind, usually green with dark green stripes or yellow spots, and a juicy, sweet interior flesh, usually deep red to pink, but sometimes orange, yellow, or white, with many seeds.

So the answer is definitely a Watermelon since it meets the descriptions below

Green=outer shell

White=next layer

Red=inside

the babies= the seeds