purchase [Noun] + obligation [Noun]

Strength Strength Dispersion
A:
3
CHISQ:
0.43
AWT:
30,489,546
TTEST:
-0.79
G2:
0.03
FAWT:
1.78
MI:
-0.54
LOGLOG:
-0.86
JD:
0.25
MI3:
2.63
DICE:
0.07
RANGE: