Seven men chipping tiles with hammers.
A group of men wearing yellow hard hats are chipping away at some tile.
Men chipping away tiles does not imply yellow hard hats are being worn.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_hammer(x4) & Theme(e1,x3) & Actor(e1,x2) & v_chip(e1) & n_tile(x3) & (x1 = x2) & n_man(x1) & card_eq_7(x1))
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5.(a_away(s3) & Manner(e2,s3) & at(e2,x5) & n_tile(x5) & Actor(e2,x1) & v_chip(e2) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_hat(x4) & a_hard(s2) & Theme(s2,x4) & a_yellow(s1) & Theme(s1,x4) & (x2 = x3) & n_man(x2) & n_group(x1))