A gray-haired man looks at products for sale along a street.
The man is interested in what he sees
Just because a man looks at products for sale along a street, it does not necessarily mean that the man is interested in what he sees.
exists e1 s1 x1 x2 x3 x4.(at(e1,x2) & for(x2,x3) & along(x3,x4) & n_street(x4) & n_sale(x3) & n_product(x2) & Actor(e1,x1) & v_look(e1) & n_man(x1) & a_gray-haired(s1) & Theme(s1,x1))
exists s1 x1.(n_male(x1) & n_man(x1) & exists e1 x2.(n_thing(x2) & in(s1,x2) & Theme(e1,x2) & Actor(e1,x1) & v_see(e1)) & Theme(s1,x1) & a_interested(s1))