A man selling colorfully patterned rugs enjoys a drink from a coffee cup on a sunny day.
A happy customer bought the salesman a cup of coffee.
Just because the man is drinking a cup of coffee doesn't mean it was bought by a happy customer.
exists e1 e3 e2 s1 x1 x2 x3 x4 x5 x6 x7.(Theme(e3,x4) & Actor(e3,x1) & v_enjoy(e3) & from(x4,x5) & on(x5,x7) & n_day(x7) & a_sunny(s1) & Theme(s1,x7) & n_cup(x5) & of(x5,x6) & n_coffee(x6) & n_drink(x4) & Theme(e2,x3) & Actor(e2,x2) & v_sell(e2) & n_rug(x3) & Theme(e1,x3) & v_pattern(e1) & r_colorfully(x3) & (x1 = x2) & n_man(x1))
exists s1 x1 x3.(n_salesman(x3) & all x2.(n_cup(x2) -> exists e1 x4.(Theme(e1,x3) & Actor(e1,x1) & v_buy(e1) & of(x3,x4) & n_coffee(x4) & for(x3,x2))) & n_customer(x1) & a_happy(s1) & Theme(s1,x1))