A street performer smiles at two potential customers.
A man smiles at customers.
A street performer can be a man, and "customers" is plural, which means two or more.
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.(at(e1,x2) & n_customer(x2) & Actor(e1,x1) & v_smile(e1) & n_man(x1))