long-standing [Adjective] + problem [Noun]

Strength Strength Dispersion
A:
35
CHISQ:
341.43
AWT:
3,543,121
TTEST:
5.41
G2:
114.36
FAWT:
15.34
MI:
3.54
LOGLOG:
18.15
JD:
0.82
MI3:
13.8
DICE:
0.12
RANGE: