*SUPPORT*
IN: kiki dax OUT: BLUE BLUE
IN: lug kiki tufa lug OUT: PINK PINK BLUE
IN: kiki kiki tufa wif OUT: BLUE GREEN BLUE
IN: blicket gazzer wif tufa lug OUT: PINK GREEN YELLOW
IN: lug gazzer wif OUT: GREEN PINK
IN: kiki gazzer kiki dax OUT: BLUE BLUE BLUE
IN: wif gazzer lug dax OUT: PINK PINK GREEN
IN: lug OUT: PINK
IN: lug wif lug OUT: PINK GREEN PINK
IN: wif tufa blicket OUT: YELLOW GREEN
IN: kiki tufa wif OUT: GREEN BLUE
IN: blicket kiki lug OUT: YELLOW BLUE PINK
IN: blicket gazzer lug lug OUT: PINK PINK YELLOW
IN: kiki kiki gazzer blicket dax OUT: BLUE YELLOW YELLOW BLUE

*QUERY*
IN: lug tufa wif OUT: GREEN PINK
IN: wif OUT: GREEN
IN: blicket dax OUT: YELLOW YELLOW
IN: lug gazzer lug tufa wif OUT: GREEN PINK PINK
IN: blicket tufa kiki OUT: BLUE YELLOW
IN: wif dax OUT: GREEN GREEN
IN: lug dax OUT: PINK PINK
IN: kiki kiki dax OUT: BLUE BLUE BLUE
IN: lug lug OUT: PINK PINK
IN: kiki OUT: BLUE

*GRAMMAR*
kiki -> BLUE 
 lug -> PINK 
 wif -> GREEN 
 blicket -> YELLOW 
 u1 tufa u2 -> [u2] [u1] 
 u1 gazzer x1 -> [x1] [u1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 