Here are some concepts: outskirt, passenger, train, travel

What is a sentence about these concepts?

Sentence is below.
passengers travel on an overcrowded train on the outskirts .

Here are some concepts: cell, increase, number

What is a sentence about these concepts?

Sentence is below.
but at higher f you have also to increase the number of cells .

Here are some concepts: event, greet, politician

What is a sentence about these concepts?

Sentence is below.
politicians greets supporters during a campaign event

Here are some concepts: harbour, liberty, statue

What is a sentence about these concepts?
Sentence is below.
the statue of liberty in harbour