A group of people standing in front of a food truck.
A group of people in front of a food truck selling seafood.
The food truck, with a group of people in front, is not necessarily selling seafood, or anything else.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & in(e1,x4) & of(x4,x5) & n_truck(x5) & of(x5,x6) & n_food(x6) & n_front(x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & of(x1,x2) & in(x2,x3) & of(x3,x4) & Theme(e1,x7) & Actor(e1,x6) & v_sell(e1) & n_seafood(x7) & (x4 = x6) & n_truck(x4) & of(x4,x5) & n_food(x5) & n_front(x3) & n_people(x2) & n_group(x1))