A street performer smiles at two potential customers.
A person is throwing feces at other people.
A person throwing feces is not a street performer who smiles at customers at the same time.
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_customer(x3) & a_potential(s1) & Theme(s1,x3) & card_eq_2(x3) & Actor(e1,x1) & v_smile(e1) & n_performer(x1) & of(x1,x2) & n_street(x2))
exists e1 x1 x2 x3 x4.(n_people(x4) & at(e1,x3) & -(x3 = x4) & n_people(x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_fece(x2) & n_person(x1))