A first baseman makes a catch as a runner comes up.
The first baseman is catching the homerun ball.
There is no indication that the first baseman is catching a homerun ball.
exists e1 p1 s1 x1 x2.(exists e2 s2 x3.(a_up(s2) & Manner(e2,s2) & Actor(e2,x3) & v_come(e2) & n_runner(x3)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_catch(x2) & n_baseman(x1) & a_first(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_ball(x2) & of(x2,x3) & n_homerun(x3) & n_baseman(x1) & a_first(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_catch(e1))