A man sits behind a wheelbarrow full of vegetables.
A man sits and observes the day's work.
Just because a man sits behind a wheelbarrow full of vegetables does not mean he observes the day's work.
exists e1 s1 x1 x2 x3 x4.(behind(e1,x2) & of(s1,x4) & n_vegetable(x4) & Theme(s1,x3) & a_full(s1) & (x2 = x3) & n_wheelbarrow(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e2 e1 x1 x2 x3 x4 x5 x6.(n_work(x6) & of(x6,x5) & n_day(x5) & n_work(x3) & of(x3,x2) & n_day(x2) & Theme(e2,x6) & Actor(e2,x4) & v_observe(e2) & n_man(x4) & Theme(e1,x3) & Actor(e1,x1) & v_sit(e1) & n_man(x1))