Two men inspect the younger boy's arm for injuries.
The injured boy's arm is being looked at by two men.
The injured boy's arm is being looked at by two men is a direct rephrasing of the first sentence.
exists e1 s1 x1 x2 x3 x4.(n_arm(x3) & of(x3,x2) & n_boy(x2) & r_more(s1) & a_younger(s1) & Theme(s1,x2) & Theme(e1,x3) & Actor(e1,x1) & v_inspect(e1) & for(x3,x4) & n_injury(x4) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(n_arm(x2) & of(x2,x1) & n_boy(x1) & a_injured(s1) & Theme(s1,x1) & Actor(e1,x3) & n_man(x3) & card_eq_2(x3) & at(e1,x2) & v_look(e1))