Boy eating a slice of pizza
The boy is hungry.
People eat when they are hungry. He is eating; he is hungry.
exists e1 x1 x2 x3.(ne_nam_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & of(x2,x3) & n_pizza(x3) & n_slice(x2))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_hungry(s1))