An old man in a red sweatshirt chisels away at a rock sculpture.
The man is a famous artist.
Not every man that chisels a rock sculpture is a famous artist.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & n_away(x2) & at(x2,x4) & n_sculpture(x4) & of(x4,x5) & n_rock(x5) & n_chisel(x2) & of(x2,x3) & n_sweatshirt(x3) & a_red(s2) & Theme(s2,x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists p1 x1.(n_man(x1) & exists s1 x2.((x1 = x2) & n_artist(x2) & a_famous(s1) & Theme(s1,x2)))