A small boy washes the dishes.
A mother is drying the dishes.
A small boy washes and a mother is drying
exists e1 s1 x1 x2.(n_dish(x2) & Theme(e1,x2) & Actor(e1,x1) & v_wash(e1) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_dish(x2) & Theme(e1,x2) & Actor(e1,x1) & v_dry(e1) & n_mother(x1))