A woman attends to customers at a table.
A woman attends to people at a table.
customers are people.
exists e1 x1 x2 x3.(to(e1,x2) & at(x2,x3) & n_table(x3) & n_customer(x2) & Actor(e1,x1) & v_attend(e1) & n_woman(x1))
exists e1 x1 x2 x3.(to(e1,x2) & at(x2,x3) & n_table(x3) & n_people(x2) & Actor(e1,x1) & v_attend(e1) & n_woman(x1))