Four men were released on bail and were ordered to return to a police station Monday, when they may be charged with assault, a police spokesman said.
The police may believe they have cause for formalling charging 4 men with assault.
( z1 possible :ARG1 ( z2 believe :ARG0 ( z3 police ) :ARG1 ( z4 have :ARG0 z3 :ARG1 ( z5 cause :ARG0-of ( z6 cause :ARG1 ( z7 form :ARG1 ( z8 charge :ARG0 z3 :ARG1 ( z9 man :quant 4 ) :ARG2 ( z10 assault :ARG0 z9 ) :ARG1-of ( z11 standard ) ) ) ) ) ) ) )