sentence: Matthew was patient and supportive when trying to potty train Kenneth, since OPTIONS:
- Matthew was the child.
- Kenneth was the child.
complete: Kenneth was the child.

sentence: Jan's steel coffee cup was in the dirty but her plastic one was clean, so she took the OPTIONS:
- plastic cup.
- steel cup.
complete: plastic cup.

sentence: Elena is a more efficient teacher than Tanya because OPTIONS:
- Elena takes the time to teach the students.
- Tanya takes the time to teach the students.
complete:
Elena takes the time to teach the students.