Here are some concepts: bear, relax, tree

What is a sentence about these concepts?

Sentence is below.
brown bear relaxing on a tree

Here are some concepts: carve, skull, wall

What is a sentence about these concepts?

Sentence is below.
carved skull on the wall of a tomb

Here are some concepts: day, mountain, silhouette

What is a sentence about these concepts?

Sentence is below.
silhouettes of mountain in the rainy day

Here are some concepts: ceremony, gather, student

What is a sentence about these concepts?
Sentence is below.
students gather before the graduation ceremony .