A man in a striped sweater writes on a small rectangular chalkboard.
A man is drawing on a piece of construction paper.
chalkboard is different from construction paper.
exists e1 s1 s2 s3 x1 x2 x3.(on(e1,x3) & n_chalkboard(x3) & a_rectangular(s3) & Theme(s3,x3) & a_small(s2) & Theme(s2,x3) & Actor(e1,x1) & v_write(e1) & in(x1,x2) & n_sweater(x2) & a_striped(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(on(e1,x2) & of(x2,x3) & n_paper(x3) & of(x3,x4) & n_construction(x4) & n_piece(x2) & Actor(e1,x1) & v_draw(e1) & n_man(x1))