A group of people, one holding a yellow and blue umbrella, are standing at the top of some stairs.
some people hold umbrellas at the top of some stairs
Some people have umbrellas but only one has an yellow and blue one.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_top(x8) & at(e2,x8) & of(x8,x9) & n_stair(x9) & Actor(e2,x1) & v_stand(e2) & of(x1,x2) & rel(x2,x3) & Theme(e1,x5) & Actor(e1,x4) & v_hold(e1) & n_umbrella(x7) & a_blue(s1) & Theme(s1,x7) & n_yellow(x6) & subset_of(x7,x5) & subset_of(x6,x5) & (x3 = x4) & n_thing(x3) & card_eq_1(x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(n_top(x3) & at(e1,x3) & of(x3,x4) & n_stair(x4) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_umbrella(x2) & n_people(x1))