A boy in a blue hat and a yellow backpack is carrying a box while walking down the street.
The box contains the boy's lunch.
the fact that the boy is carrying a box does not imply that it carries his lunch
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_street(x6) & while(e1,e2) & a_down(s3) & Manner(e2,s3) & Theme(e2,x6) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x5) & Actor(e1,x1) & v_carry(e1) & n_box(x5) & in(x1,x2) & subset_of(x4,x2) & n_backpack(x4) & a_yellow(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_hat(x3) & a_blue(s1) & Theme(s1,x3) & n_boy(x1))
exists e1 x1 x2 x3.(n_lunch(x3) & of(x3,x2) & n_boy(x2) & n_box(x1) & Theme(e1,x3) & Actor(e1,x1) & v_contain(e1))