Here are some concepts: dog, mustard, onion, relish

What is a sentence about these concepts?

Sentence is below.
Hot dog smothered with mustard, relish and onions

Here are some concepts: cover, rock, root

What is a sentence about these concepts?

Sentence is below.
biological phylum covered rocks and tree roots on a forest floor

Here are some concepts: lake, peak, reflect

What is a sentence about these concepts?

Sentence is below.
snowy peaks and the autumn forest are reflected in the mountain lake

Here are some concepts: city, surround, wall

What is a sentence about these concepts?
Sentence is below.
walls surrounding the old city