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.
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Question: Those concepts that knew nothing of Fate's error had expected something more physically daunting than the duo that faced them.

Answer: Plural


Question: The large mansions, which lined both sides of the street, bore stately and placid witness to their conversation.

Answer: Plural


Question: No loyalty to each other = No trust.

Answer:
Singular