How similar are the following two sentences?

The point is to get the air out that the infant sucks into the stomach while feeding.
I've found with my baby that it's more accurate to go by his behavior than by "rules".

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
1