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.

Q: Still, there was a certain subtlety of expression that Earth models lacked'.

A: Singular
****
Q: Bob and Jan Dove are also with us.

A: Plural
****
Q: I slide between the sheets in my boxers, trying to stay turned away from her so she won't see how hard my dick is.

A:
Singular
****