A young boy in a t-shirt, sweats and a red hat, skateboarding in a skateboard arena, with an audience on the side and blue skies above.
Some of the audience do not watch the skateboarder.
No way to know that some of the audience do not watch.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12.(n_side(x11) & a_topic(x1) & with(x1,x9) & on(x9,x10) & subset_of(x12,x10) & r_above(x12) & n_sky(x12) & a_blue(s3) & Theme(s3,x12) & subset_of(x11,x10) & n_audience(x9) & in(x1,x2) & rel(x2,x3) & subset_of(x5,x3) & in(e1,x7) & n_arena(x7) & of(x7,x8) & n_skateboard(x8) & Actor(e1,x6) & v_skateboard(e1) & (x5 = x6) & n_hat(x5) & a_red(s2) & Theme(s2,x5) & subset_of(x4,x3) & n_sweat(x4) & n_t-shirt(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists x1 x2 x3.(n_skateboarder(x3) & n_audience(x2) & -exists e1.(Theme(e1,x3) & Actor(e1,x1) & v_watch(e1)) & of(x1,x2) & n_thing(x1))