sentence: The dog of Hunter is sick, but Joel's is healthy and just fine. 
complete: Joel 's dog didn't get into some chocolate.

sentence: Maria was really into cars, but Christine thought they were stupid, so 
complete: Maria didn't invite them to the car show.

sentence: Since Rachel had a washer in a laundry room and Jennifer did not, 
complete:
Jennifer needed to go to a laundromat.