A person carrying a large bag of food.
The person appears to be struggling under the weight of the bag.
Just because a person carrying a large bag of food doesn't mean they are struggling.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & of(x3,x4) & n_food(x4) & n_bag(x3) & a_large(s1) & Theme(s1,x3) & (x1 = x2) & n_person(x1))
exists e1 p1 x1 x2 x3.(n_bag(x3) & n_weight(x2) & n_person(x1) & Topic(e1,p1) & Actor(e1,x1) & v_appear(e1) & exists e2.(under(e2,x2) & of(x2,x3) & Actor(e2,x1) & v_struggle(e2)))