Two girls are picking yellow flowers on a bright sunny day.
two girls are outdoors
Since flowers are usually outside, and since mention of a bright sunny day implies the outdoors, it would follow that the girls are outdoors.
exists e1 s1 s2 s3 x1 x2 x3.(on(e1,x3) & n_day(x3) & a_sunny(s3) & Theme(s3,x3) & a_bright(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_pick(e1) & n_flower(x2) & a_yellow(s1) & Theme(s1,x2) & n_girl(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_outdoors(x2)) & n_girl(x1) & card_eq_2(x1))