A rugby player is running with the ball as a defender moves to intervene.
a man runs with a ball
A rugby player could be a man.
exists e1 p1 s1 x1 x2.(n_ball(x2) & exists e2 p2 x3.(Topic(e2,p2) & Actor(e2,x3) & v_move(e2) & exists e3.(Actor(e3,x3) & v_intervene(e3)) & n_defender(x3)) & as(e1,p1) & with(e1,x2) & Actor(e1,x1) & v_run(e1) & n_player(x1) & a_rugby(s1) & Theme(s1,x1))
exists e1 x1 x2.(with(e1,x2) & n_ball(x2) & Actor(e1,x1) & v_run(e1) & n_man(x1))