Two male basketball players are playing a competitive game while the referee is standing behind watching.
A referee is watching two male basketball players play the game.
Sentence one focuses on the actions of the basketball players playing the game while sentence two focuses on the referee who is watching the basketball players play the game.
exists e1 p1 s1 s2 x1 x2 x3 x4.(n_referee(x4) & exists e3 e2 s3.(for(e2,e3) & Actor(e3,x4) & v_watch(e3) & a_behind(s3) & Manner(e2,s3) & Actor(e2,x4) & v_stand(e2)) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_game(x3) & a_competitive(s2) & Theme(s2,x3) & n_player(x1) & of(x1,x2) & n_basketball(x2) & a_male(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_game(x5) & Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & (x2 = x4) & n_player(x2) & of(x2,x3) & n_basketball(x3) & a_male(s1) & Theme(s1,x2) & card_eq_2(x2) & n_referee(x1))