A small boy is placing items from a cart onto the check out.
A child is emptying his cart at the check out.
"small boy " is a "child" and "placing items from a cart " implies "emptying his cart "
exists e1 s1 s2 x1 x2 x3 x4.(n_check(x4) & a_out(s2) & Manner(e1,s2) & onto(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_place(e1) & from(x2,x3) & n_cart(x3) & n_item(x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_check(x3) & a_out(s1) & Manner(e1,s1) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_empty(e1) & n_cart(x2) & of(x2,x1) & n_male(x1) & n_child(x1))