People are gathering around a truck, while a man in a brown hooded sweater is handing off a plastic bag to a man in a black sweater and baseball cap.
The people are going to help the men unload their cargo.
The people gathering around a truck are the people that are going to help the men unload their cargo.
exists e1 p1 x1 x2.(exists e2 s1 s2 s3 s4 x3 x4 x5 x6 x7 x8 x9 x10 x11.(a_off(s4) & Manner(e2,s4) & Theme(e2,x5) & Actor(e2,x3) & v_hand(e2) & to(x5,x7) & subset_of(x10,x7) & n_cap(x10) & of(x10,x11) & n_baseball(x11) & subset_of(x8,x7) & in(x8,x9) & n_sweater(x9) & a_black(s3) & Theme(s3,x9) & n_man(x8) & n_bag(x5) & of(x5,x6) & n_plastic(x6) & in(x3,x4) & n_sweater(x4) & a_hooded(s2) & Theme(s2,x4) & a_brown(s1) & Theme(s1,x4) & n_man(x3)) & while(e1,p1) & around(e1,x2) & n_truck(x2) & Actor(e1,x1) & v_gather(e1) & n_people(x1))
exists e1 p1 x1 x2 x4.(n_cargo(x4) & of(x4,x2) & n_thing(x2) & n_man(x2) & n_people(x1) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2 e3 x3.(Theme(e3,x2) & Actor(e3,x1) & v_help(e3) & Theme(e2,x4) & Actor(e2,x3) & v_unload(e2) & (x2 = x3)))