A little boy in an apron helps his mother cook.
The child is eating dinner at the table.
If the boy is helping his mother cook then he is not currently eating dinner.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_help(e1) & n_cook(x3) & of(x3,x4) & n_mother(x4) & of(x3,x1) & n_male(x1) & in(x1,x2) & n_apron(x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_table(x3) & n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & at(x2,x3) & n_dinner(x2))