For what it's worth, dirt on the lens might not be as detrimental as you would think.
Regular dish washing fluid is great for removing grease, as it not only dissolves it but also binds it.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

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