A boy is sitting at a table writing in his notebook.
The boy is doing his homework.
writing does not mean homework.
exists e1 x1 x2 x3 x4.(in(e1,x4) & n_notebook(x4) & of(x4,x1) & n_male(x1) & at(e1,x2) & n_writing(x2) & of(x2,x3) & n_table(x3) & Actor(e1,x1) & v_sit(e1) & n_boy(x1))
exists e1 x1 x2.(n_homework(x2) & of(x2,x1) & n_male(x1) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1))