Input: Continue writing.

Amy pointed out the pleiades star cluster to Megan because 
OPTIONS:
- Amy was new to astronomy.
- Megan was new to astronomy.

Continued: Megan was new to astronomy.


Input: Continue writing.

Following instructions came naturally to Kevin but not Joseph because 
OPTIONS:
- Kevin did not have any self discipline.
- Joseph did not have any self discipline.

Continued: Joseph did not have any self discipline.


Input: Continue writing.

The crowd of people left the platform and boarded the train, and therefore the 
OPTIONS:
- train became crowded.
- platform became crowded.

Continued: train became crowded.


Input: Continue writing.

Joel but not Randy met many people because 
OPTIONS:
- Joel knew how to carry a good conversation.
- Randy knew how to carry a good conversation.

Continued:
Joel knew how to carry a good conversation.