obvious [Adjective] + difficulty [Noun]

Strength Strength Dispersion
A:
46
CHISQ:
126.84
AWT:
2,389,101
TTEST:
5.29
G2:
70.6
FAWT:
22.75
MI:
2.18
LOGLOG:
12.04
JD:
0.86
MI3:
13.23
DICE:
0.43
RANGE: