hardest [Adjective] + lesson [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
78.58
AWT:
13,985,604
TTEST:
1.91
G2:
23.33
FAWT:
3.89
MI:
4.43
LOGLOG:
8.86
JD:
0.51
MI3:
8.43
DICE:
0.16
RANGE: