The four men are standing around the utility truck.
There is a supervisor waiting for his crew inside his utility truck.
A supervisor implies that he is alone, there cannot be four men. Around the utility truck is not the same place as inside the utility truck.
exists e1 x1 x2 x3.(n_truck(x2) & of(x2,x3) & n_utility(x3) & n_man(x1) & card_eq_4(x1) & around(e1,x2) & Actor(e1,x1) & v_stand(e1))
exists p1 x1 e1 x2 x3 x4 x5 x6.((x1 = x2) & for(e1,x4) & inside(x4,x5) & n_truck(x5) & of(x5,x6) & n_utility(x6) & of(x5,x2) & n_male(x2) & n_male(x2) & n_crew(x4) & of(x4,x2) & Actor(e1,x3) & v_wait(e1) & (x2 = x3) & n_supervisor(x2))