A pitcher from a Houston baseball team is mid-throw.
In houston a professional pitcher warms up his arm.
You can not infer he is a professional.
exists s1 x1 x2 x3 x4.(Theme(s1,x1) & a_mid-throw(s1) & from(x1,x2) & n_team(x2) & of(x2,x4) & n_baseball(x4) & (x2 = x3) & ne_geo_houston(x3) & n_pitcher(x1))
exists x1 x5.(all x3 x2 s1.((n_warm(x2) & of(x2,x3) & n_pitcher(x3) & a_professional(s1) & Theme(s1,x2)) -> exists x4.(in(x1,x4) & up(x4,x5) & for(x4,x2) & n_houston(x4))) & n_arm(x5) & of(x5,x1) & n_male(x1) & n_event(x1))