The main verb would be "indicated", being that "research" (which is the main subject) is what's doing the action, which is indicating.
The whole sentence is basically about the research indicating... etc.
Answer:
These actions are capable of evoking or leaving unpleasant feelings, ideas
Explanation:
A connotation here means the feelings that these actions create in addition to their true denotations.
A negative connotation can leave negative emotions and ideas for instance hesitations, filled pauses could be mistaken for fear, reluctance during conversations. Filled pauses could be because the speaker is thinking but this can be misinterpreted to be something else.
Answer: Mr. Van Daan steals some food, which upsets the others, and some try to throw/kick him out.
Explanation:
1) A pickpocket stole his wallet
2) The scorching sun was unbearable
3) The crowded train screeched to a halt
