There are 4 people in the snow at night wearing bathing suits standing and walking near a small building with a light on.
The people are outside
They are outside in bathing suits in the snow! Outside in the second sentence refers to the absurdness of what they are doing.
exists p1 x1 x3.(n_snow(x3) & exists e1 e3 e2 s1 s2 x2 x4 x5 x6 x7 x8 x9 x10 x11.((x1 = x2) & a_on(s2) & Manner(e3,s2) & with(e3,x11) & n_light(x11) & near(e3,x10) & n_building(x10) & a_small(s1) & Theme(s1,x10) & Actor(e3,x9) & v_walk(e3) & (x2 = x9) & Theme(e2,x6) & Actor(e2,x5) & v_wear(e2) & Actor(e1,x8) & v_stand(e1) & (x6 = x8) & n_suit(x6) & of(x6,x7) & n_bathing(x7) & (x2 = x5) & in(x2,x3) & at(x3,x4) & n_night(x4) & n_people(x2) & n_date(x2) & a_date_day_04(x2) & a_date_day_04(x2)))
exists s1 x1.(n_people(x1) & Theme(s1,x1) & a_outside(s1))