Men and women protesters stand outside with signs in support of their cause.
old people walking with sticks.
One cannot be walking and stand simultaneously.
exists e1 x1 x2 x3 x4 x5 x6 x7.(with(e1,x5) & in(x5,x6) & of(x6,x7) & n_cause(x7) & of(x7,x2) & n_thing(x2) & n_support(x6) & n_sign(x5) & r_outside(e1) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_protester(x3) & of(x3,x4) & n_woman(x4) & subset_of(x2,x1) & n_man(x2))
exists e1 s1 x1 x2 x3.(a_topic(x1) & with(e1,x3) & n_stick(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1) & a_old(s1) & Theme(s1,x1))