Here are some concepts: hall, perform, piece

What is a sentence about these concepts?

Sentence is below.
Musicians perform a musical piece at a theater hall.

Here are some concepts: earth, place, universe

What is a sentence about these concepts?

Sentence is below.
this fantastic sleeve shows the earth and its place in our universe .

Here are some concepts: doctor, operation, watch

What is a sentence about these concepts?

Sentence is below.
A doctor watches an operation to learn how to do it.

Here are some concepts: change, diaper, mother

What is a sentence about these concepts?
Sentence is below.
A mother is changing her baby's diaper.