Working on laying cement blocks is hard work.
Men are laying cement blocks
Laying cement blocks must be depicted in the picture because this is the only way that the first sentence could refer to the image.
exists e1 p1 x1 x2 x3 x4.(ne_nam_working(x1) & exists s1 x5.((x1 = x5) & n_work(x5) & a_hard(s1) & Theme(s1,x5)) & Theme(e1,x3) & Actor(e1,x2) & v_lay(e1) & n_block(x3) & of(x3,x4) & n_cement(x4) & (x1 = x2))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_lay(e1) & n_block(x2) & of(x2,x3) & n_cement(x3) & n_man(x1))