Several men wearing several different colors are attending a bike rally.
Men from different gangs attend a bike rally.
Men wearing different colors does not mean they are from different gangs.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_color(x4) & Theme(e2,x5) & Actor(e2,x1) & v_attend(e2) & n_rally(x5) & of(x5,x6) & n_bike(x6) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & -(x3 = x4) & n_color(x3) & a_several(s2) & Theme(s2,x3) & (x1 = x2) & n_man(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4 x5.(n_gang(x3) & Theme(e1,x4) & Actor(e1,x1) & v_attend(e1) & n_rally(x4) & of(x4,x5) & n_bike(x5) & from(x1,x2) & -(x2 = x3) & n_gang(x2) & n_man(x1))