A man is at a table filled with stuff, near a piano, on a stage.
The guy is about to perform.
A man at a table near piano does not mean he's about to perform
exists p1 x1.(exists e1 x2 x3 x4 x5 x6.(at(x1,x2) & with(e1,x4) & on(x4,x6) & n_stage(x6) & near(x4,x5) & n_piano(x5) & n_stuff(x4) & Theme(e1,x3) & v_fill(e1) & (x2 = x3) & n_table(x2)) & n_man(x1))
exists p1 s1 x1.(n_guy(x1) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1.(Actor(e1,x1) & v_perform(e1)))