A man in a plaid shirt is selling products to customers.
A salesperson is unloading a refrigerator in the backroom.
unloading a refrigerator in the backroom is different from selling products.
exists e1 s1 x1 x2 x3 x4.(to(e1,x4) & n_customer(x4) & Theme(e1,x3) & Actor(e1,x1) & v_sell(e1) & n_product(x3) & in(x1,x2) & n_shirt(x2) & a_plaid(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(n_backroom(x3) & Theme(e1,x2) & Actor(e1,x1) & v_unload(e1) & in(x2,x3) & n_refrigerator(x2) & n_salesperson(x1))