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:
Again, congratulations passed back and forth until a happy silence fell back on the room.
answer:
Plural


question:
Ahead he could see two Agents, one on either side of the doors.
answer:
Plural


question:
The glass elevators never stopped their climb to heaven ; ponds, streams, waterfalls glittered amid banks of moist, fragile blooms.
answer:

Plural