A man is sitting down making some pottery.
A man is working on a bowl to sell in his shop.
"Making pottery" doesn't necessarily imply that it's a bowl to sell in his shop.
exists e1 e2 s1 x1 x2.(for(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_make(e2) & n_pottery(x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 p1 x1 x2 x3 x4.(Topic(e1,p1) & exists e2.(in(e2,x4) & Actor(e2,x1) & v_sell(e2)) & n_shop(x4) & of(x4,x1) & n_male(x1) & on(e1,x3) & n_bowl(x3) & Actor(e1,x2) & v_work(e1) & n_man(x2) & n_man(x1))