Here are some concepts: activity, chance, cloud, light, mean

What is a sentence about these concepts?

Sentence is below.
forecast high activity and heavy clouds means that there is a chance of northern lights

Here are some concepts: soldier, stand, vehicle

What is a sentence about these concepts?

Sentence is below.
A soldier is standing on a military vehicle.

Here are some concepts: meat, mushroom, pizza

What is a sentence about these concepts?

Sentence is below.
The half finished pizza has mushrooms and meat.

Here are some concepts: bridge, car, pull, train

What is a sentence about these concepts?
Sentence is below.
A train is pulling cars across a bridge.