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

A boy in a red sled is riding down the hill.
A multicolour dog in a red collar crouching on the grass.

Choices:
 1). 0
 2). 1
 3). 2
 4). 3
 5). 4
 6). 5
1).