The boy is happy working at the deli.
A boy is working in a deli
The boy working at the deli is happy.
exists e1 s1 x1 x2.(n_deli(x2) & n_boy(x1) & for(s1,e1) & at(e1,x2) & Actor(e1,x1) & v_work(e1) & Theme(s1,x1) & a_happy(s1))
exists e1 x1 x2.(in(e1,x2) & n_deli(x2) & Actor(e1,x1) & v_work(e1) & n_boy(x1))