A pitcher in a blue shirt, on the mound, practices his grip before throwing the pitch.
The is someone practicing basketball.
you cannot pitch in basketball
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_pitch(x6) & n_grip(x4) & of(x4,x3) & n_male(x3) & n_mound(x3) & a_topic(x1) & on(x1,x3) & rel(x3,x4) & Time(x4,x7) & n_practice(x7) & Theme(e1,x6) & Actor(e1,x5) & v_throw(e1) & (x4 = x5) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_pitcher(x1))
(x)