promise [Verb] + tough [Adjective]

Strength Strength Dispersion
A:
7
CHISQ:
4.54
AWT:
17,116,999
TTEST:
1.44
G2:
5.08
FAWT:
3.18
MI:
1.13
LOGLOG:
3.18
JD:
0.58
MI3:
6.75
DICE:
0.15
RANGE: