A man shaking the hand of a teenager sitting on a bench.
A man meets his nephew for the first time in the park.
Not all benches are in the park and teenager does not imply nephew.
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_hand(x3) & a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_shake(e2) & of(x3,x4) & on(e1,x6) & n_bench(x6) & Actor(e1,x5) & v_sit(e1) & (x4 = x5) & n_teenager(x4) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3 x4.(n_park(x4) & n_time(x3) & a_first(s1) & Theme(s1,x3) & for(e1,x3) & in(x3,x4) & Theme(e1,x2) & Actor(e1,x1) & v_meet(e1) & n_nephew(x2) & of(x2,x1) & n_male(x1) & n_man(x1))