A skier in a bright green jacket sliding downhill.
This person is having a cake at his moms house
you cannot be sliding downhill and having a cake at the same time
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_downhill(x2) & Actor(e1,x2) & v_slide(e1) & of(x2,x3) & n_jacket(x3) & a_green(s2) & Theme(s2,x2) & a_bright(s1) & Theme(s1,x2) & n_skier(x1))
exists e1 x1 x2 x3 x4.(n_house(x3) & of(x3,x4) & n_mom(x4) & of(x3,x1) & n_male(x1) & n_person(x1) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_cake(x2))