How similar are these two sentences, on a scale from 0-5 (0 is "not similar" and 5 is "very similar")?

If I understand you correctly, you are looking for a hypernym of inclusion and exclusion.
Inclusion is the act of including and exclusion is the act of excluding.

OPTIONS:
- 0
- 1
- 2
- 3
- 4
- 5
3