A man sitting on a green bench talking on the telephone.
The man is having an important conversation.
A man talking on the telephone is not necessarily having an important conversation.
exists e1 e2 s1 x1 x2 x3 x4.(n_telephone(x4) & a_topic(x1) & for(e1,e2) & on(e2,x4) & Actor(e2,x2) & v_talk(e2) & on(e1,x3) & n_bench(x3) & a_green(s1) & Theme(s1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_conversation(x2) & a_important(s1) & Theme(s1,x2))