A defender attempts a tackle in rugby.
Player playing basketball
A player playing basketball can't be playing rugby.
all x1.(n_tackle(x1) -> exists x2 x3 x4.(a_topic(x2) & in(x2,x4) & n_rugby(x4) & for(x2,x1) & n_attempt(x2) & of(x2,x3) & n_defender(x3)))
exists x1 x2 x3.(n_basketball(x1) & of(x1,x3) & n_playing(x3) & (x1 = x2) & ne_nam_player(x2) & a_topic(x1))