The Sooners quarterback is waiting for the snap from his center.
The man is on a football field
He is on a football field because he is a quarterback waiting for the snap from his center.
exists e1 x1 x2 x3 x4.(n_center(x4) & of(x4,x3) & n_male(x3) & n_snap(x3) & n_quarterback(x1) & (x1 = x2) & ne_nam_sooners(x2) & for(e1,x3) & from(x3,x4) & Actor(e1,x1) & v_wait(e1))
exists p1 x1.(n_man(x1) & exists x2 x3.(on(x1,x2) & n_field(x2) & of(x2,x3) & n_football(x3)))