Two men dressed in yellow uniforms are using a jackhammer in the ground.
There are more then two men working.
There are only two men in first sentence not more then two.
exists e2 e1 s1 x1 x2 x3 x4 x5.(n_ground(x5) & in(e2,x5) & Theme(e2,x4) & Actor(e2,x1) & v_use(e2) & n_jackhammer(x4) & in(e1,x3) & n_uniform(x3) & a_yellow(s1) & Theme(s1,x3) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists p1 s1 x1.(r_more(p1) & a_then(s1) & Manner(p1,s1) & exists e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_man(x2) & card_eq_2(x2)))