A football player in a white jersey readies himself to make a long throw.
The player is a quarterback.
There are multiple positions in football besides quarterback.
exists e1 p1 s1 x1 x2 x3.(Topic(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_ready(e1) & exists e2 s2 x4.(Theme(e2,x4) & Actor(e2,x2) & v_make(e2) & n_throw(x4) & a_long(s2) & Theme(s2,x4)) & n_male(x2) & in(x1,x3) & n_jersey(x3) & a_white(s1) & Theme(s1,x3) & n_player(x1) & of(x1,x2) & n_football(x2))
exists p1 x1.(n_player(x1) & exists x2.((x1 = x2) & n_quarterback(x2)))