Answer:
fairly positive poison isn't a theme
Explanation:
the other three answers have a significant role in the entire story, while the poison is just the object romeo has used, as juliet used a knife. but that does not make the knife a theme in the story
Headline summarizes the content of the story in a single phrase!
1: instead
2:in fact
3:actually
4:although
5:otherwise
6:therefore
7:so
8:particularly
9:in addition
10:however