A man is carrying metal beams in a supply yard.
Man carrying beams
Man is carrying metal beams is a rephrasing of man carrying beams.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & in(x2,x4) & n_yard(x4) & of(x4,x5) & n_supply(x5) & n_beam(x2) & of(x2,x3) & n_metal(x3) & n_man(x1))
exists x1 x2 x3.(n_beam(x1) & of(x1,x3) & n_carrying(x3) & of(x1,x2) & n_man(x2) & a_topic(x1))