A man is shucking corn with his son.
The corn was just harvested.
when is corn is just harvested don't imply that he is shucking with his son
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.(n_corn(x1) & a_just(s1) & Manner(e1,s1) & Theme(e1,x1) & v_harvest(e1))