Three runners run down a hill.
Runners run down a hill.
three is plural and so is runners
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_hill(x2) & n_runner(x1) & card_eq_3(x1))
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_hill(x2) & n_runner(x1))