Here are some concepts: fern, moss, rock

What is a sentence about these concepts?

Sentence is below.
fern and moss on a rock

Here are some concepts: auction, guitar, item, sign

What is a sentence about these concepts?

Sentence is below.
ethnicity signed guitar was a hot item at the auction .

Here are some concepts: eat, side, zebra

What is a sentence about these concepts?

Sentence is below.
A zebra is eating grass out side in the yard.

Here are some concepts: form, root, tree

What is a sentence about these concepts?
Sentence is below.
the tree forms the island of the roots