obstacle [Noun] + prevent [Verb]

Strength Strength Dispersion
A:
12
CHISQ:
101.56
AWT:
6,580,225
TTEST:
3.13
G2:
39.26
FAWT:
8.26
MI:
3.37
LOGLOG:
12.09
JD:
0.73
MI3:
10.54
DICE:
0.2
RANGE: