Problem: How does the sentence end?

Patricia always kept a wider tooth comb than Sarah, as
OPTIONS:
- Patricia had curly hair and needed more space in the comb.
- Sarah had curly hair and needed more space in the comb.
Answer: Patricia had curly hair and needed more space in the comb.

Problem: How does the sentence end?

He chose to fill out the form with a pencil rather than a pen because the
OPTIONS:
- pen was convenient.
- pencil was convenient.
Answer: pencil was convenient.

Problem: How does the sentence end?

The quick set mortar was hastily shaped using an old trowel. The
OPTIONS:
- mortar was handheld.
- trowel was handheld.
Answer: trowel was handheld.

Problem: How does the sentence end?

Emily was an experienced boxer, while Kayla was a novice, so
OPTIONS:
- Emily took weekly lessons.
- Kayla took weekly lessons.
Answer:
Kayla took weekly lessons.