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"?

China stocks open higher Wednesday
US stocks open higher despite GDP miss

Pick from:
[i] 0.
[ii] 1.
[iii] 2.
[iv] 3.
[v] 4.
[vi] 5.
[ii]