The man in the black baseball cap is trying to catch a ground ball that is going foul.
Man is trying to catch baseball with his hat
The man may not be trying to catch the baseball with his hat.  He could be using his glove.
exists e1 p1 s1 x1 x2 x3.(n_cap(x2) & of(x2,x3) & n_baseball(x3) & a_black(s1) & Theme(s1,x2) & n_man(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 e3 p2 x4 x5 x6.(Theme(e3,x4) & Actor(e3,x1) & v_catch(e3) & exists s2.(Theme(s2,x6) & a_foul(s2)) & Topic(e2,p2) & Actor(e2,x6) & v_go(e2) & (x4 = x6) & n_ball(x4) & of(x4,x5) & n_ground(x5)) & in(x1,x2))
exists e1 p1 x1 x3.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(with(e2,x3) & Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_baseball(x2)) & n_hat(x3) & of(x3,x1) & n_male(x1) & n_man(x1))