Here are some concepts: heart, tree, trunk

What is a sentence about these concepts?

Sentence is below.
lichen on heart shaped trunk of an old tree

Here are some concepts: float, sea, yacht

What is a sentence about these concepts?

Sentence is below.
yacht floating in the sea

Here are some concepts: elephant, lay, zoo

What is a sentence about these concepts?

Sentence is below.
An elephant is laying down in a zoo.

Here are some concepts: chair, push, road

What is a sentence about these concepts?
Sentence is below.
Two men push three wheeled chairs up an inclining road.