How similar are the following two sentences?

This idea has been around since the beginning of myth and storytelling.
The science behind superheroes might shed some light on this topic.

Give the answer on a scale from 0 - 5, where 0 is "not similar at all" and 5 is "means the same thing".

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