A gentleman in the background watches the gentleman in the foreground demonstrate the technique for playing a game at the park on a sunny afternoon.
The man is kicking a hackey sack.
Demonstrate a technique does not imply kicking a hackey sack.
exists e3 e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_park(x8) & n_technique(x5) & n_foreground(x4) & n_background(x2) & Theme(e3,x5) & Actor(e3,x1) & v_demonstrate(e3) & at(e2,x8) & on(x8,x9) & n_afternoon(x9) & a_sunny(s1) & Theme(s1,x9) & Theme(e2,x7) & Actor(e2,x6) & v_play(e2) & n_game(x7) & (x5 = x6) & in(x1,x2) & in(e1,x4) & Theme(e1,x1) & Actor(e1,x3) & v_watch(e1) & n_gentleman(x1) & n_gentleman(x1) & (x2 = x3))
exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_kick(e1) & n_sack(x2) & of(x2,x3) & n_hackey(x3))