instruction:
In this task you are given a sentence. You must judge whether subject of the main clause is singular or plural. Label the instances as "Singular" or "Plural" based on your judgment.
question:
Maks was not one of those selected to go and he approached the open passenger's - side window.
answer:
Plural


question:
Lights turn onto the street.
answer:
Plural


question:
On both sides of the hall openings in the walls allowed the air to circulate but only sluggishly.
answer:

Plural