person: ns
tense: past
aspect: ns
voice: active
form: full
It began in 1973 , when he was being considered [*-1] for deputy mayor , and a routine check unearthed the extraordinary fact that he had n't paid his income tax for the previous four years [*T*-2] .
Arg0:
a routine check
REL:
unearthed
Arg1:
the extraordinary fact that he had n't paid his income tax for the previous four years