A man in a black vest and blue jeans is rollerskating.
The man's roller skates are pink.
Not all roller skates are pink.
exists e1 s1 s2 x1 x2 x3.(Actor(e1,x1) & v_rollerskate(e1) & in(x1,x2) & n_jeans(x2) & a_blue(s2) & Theme(s2,x2) & of(x2,x3) & n_vest(x3) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists s1 x1 x2 x3.(n_skate(x2) & of(x2,x3) & n_roller(x3) & of(x2,x1) & n_man(x1) & Theme(s1,x2) & a_pink(s1))