sentence: Neil was having trouble dealing with death and asked Nelson for advice for  OPTIONS:
- Neil had never dealt with this issue.
- Nelson had never dealt with this issue.
complete: Neil had never dealt with this issue.

sentence: The air in the quarantine was replaced with liquid as the  OPTIONS:
- air was contaminated, so we acted fast.
- liquid was contaminated, so we acted fast.
complete: air was contaminated, so we acted fast.

sentence: The dour ending of the story contrasted with the happy vibe of the introduction.  The  OPTIONS:
- ending was just so sad.
- introduction was just so sad.
complete:
ending was just so sad.