A boy in a green sweater is sitting at a table.
the boy is not walking
Sitting at the table means not walking
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_table(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_sweater(x2) & a_green(s1) & Theme(s1,x2) & n_boy(x1))
exists x1.(n_boy(x1) & -exists e1.(Actor(e1,x1) & v_walk(e1)))