A man is sitting next to a canal in a green beach chair with an unopened beach umbrella.
The man is old.
The man is not necessarily old.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(with(e1,x5) & n_umbrella(x5) & of(x5,x6) & n_beach(x6) & a_unopened(s2) & Theme(s2,x5) & in(e1,x3) & n_chair(x3) & of(x3,x4) & n_beach(x4) & a_green(s1) & Theme(s1,x3) & to(e1,x2) & n_canal(x2) & r_next(e1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists s1 x1.(n_man(x1) & Theme(s1,x1) & a_old(s1))