A man in a red shirt and jacket is looking to the side while surrounded by other men wearing helmets.
The men are in a group.
men is plural form of man, hence it can be considered as a group of man.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_side(x5) & by(e1,x7) & Theme(e2,x9) & Actor(e2,x8) & v_wear(e2) & n_helmet(x9) & (x7 = x8) & -(x7 = x1) & n_man(x1) & n_man(x1) & n_man(x7) & while(e1,x6) & n_surround(x6) & to(e1,x5) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_jacket(x4) & n_shirt(x3) & a_red(s1) & Theme(s1,x3) & subset_of(x4,x2) & subset_of(x3,x2))
exists p1 x1.(n_man(x1) & exists x2.(in(x1,x2) & n_group(x2)))