A baseball player slides into base as the baseman catches the ball and the umpire observes the play.
The umpire was watching closely for any signs of a foul
Observing the play does not imply the umpire was watching closely.
exists e1 p1 x1 x2 x3 x4 x5 x6 x7.(n_play(x7) & n_umpire(x6) & n_ball(x5) & n_baseman(x4) & exists e3 e2.(Theme(e3,x7) & Actor(e3,x6) & v_observe(e3) & Theme(e2,x5) & Actor(e2,x4) & v_catch(e2)) & as(e1,p1) & into(e1,x3) & n_base(x3) & Actor(e1,x1) & v_slide(e1) & n_player(x1) & of(x1,x2) & n_baseball(x2))
exists e1 s1 x1.(n_umpire(x1) & all x2.(n_sign(x2) -> exists x3.(for(e1,x2) & of(x2,x3) & n_foul(x3))) & a_closely(s1) & Manner(e1,s1) & Actor(e1,x1) & v_watch(e1))