Some people are using the escalator to the left , others are using the steps to the right and a group of people are using the ground level walkway .
A group of people are running a race .
Some people are using the escalator to the left, others are using the steps to the right and a group of people are using the ground level walkway.
A group of people are running a race.
The people are walking in the first sentence and running in the second.
The people are walking in the first sentence and running in the second .