A man is shucking corn with his son.
Green vegetation is being pulled off the corn.
a Green vegetation is being pulled off the corn just means green vegetation is being pulled off the corn
exists e1 x1 x2 x3.(with(e1,x3) & n_son(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_shuck(e1) & n_corn(x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_corn(x3) & Time(e1,x3) & a_off(s1) & Manner(e1,s1) & Theme(e1,x1) & v_pull(e1) & n_vegetation(x1) & (x1 = x2) & ne_nam_green(x2))