Here are some concepts: centre, city, hall

What is a sentence about these concepts?

Sentence is below.
the centre of the city with the town hall

Here are some concepts: location, map, text

What is a sentence about these concepts?

Sentence is below.
map showing location of principal sites referred to in the text

Here are some concepts: balloon, clown, give

What is a sentence about these concepts?

Sentence is below.
A girl laughs at the clown who gave her a balloon.

Here are some concepts: block, road, tree

What is a sentence about these concepts?
Sentence is below.
a tree blocks a road .