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.
There is a possibility that the four men could have charges of assault brought against them.
( z1 possible :ARG1 ( z2 have :ARG1 ( z3 charge :ARG1 ( z4 man :quant 4 ) :ARG2 ( z5 assault :ARG0 z4 ) ) ) )