A man is sitting on a bench in front of some purple plants.
The man is reading a newspaper while sitting on a bench.
A man can be sitting on a bench without reading a newspaper.
exists e1 x1 x2 x3 x4 x5.(in(e1,x3) & of(x3,x4) & n_plant(x4) & of(x4,x5) & n_purple(x5) & n_front(x3) & on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 e2 x1 x2 x3.(n_man(x1) & while(e1,e2) & on(e2,x3) & n_bench(x3) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_newspaper(x2))