*SUPPORT*
IN: zup blicket zup lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif OUT: GREEN
IN: dax zup blicket zup OUT: PINK BLUE BLUE
IN: kiki OUT: PURPLE
IN: dax kiki blicket kiki OUT: PINK PURPLE PURPLE
IN: zup tufa OUT: BLUE BLUE BLUE
IN: dax blicket dax OUT: PINK PINK
IN: kiki kiki lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: kiki kiki dax OUT: PURPLE PURPLE PINK
IN: kiki blicket zup OUT: BLUE PURPLE
IN: kiki tufa OUT: PURPLE PURPLE PURPLE
IN: dax blicket dax lug OUT: PINK PINK PINK PINK PINK PINK
IN: dax tufa OUT: PINK PINK PINK
IN: kiki blicket wif OUT: GREEN PURPLE

*QUERY*
IN: dax OUT: PINK
IN: wif wif tufa OUT: GREEN GREEN GREEN GREEN
IN: zup zup tufa OUT: BLUE BLUE BLUE BLUE
IN: zup OUT: BLUE
IN: zup dax blicket zup OUT: BLUE BLUE PINK
IN: wif zup blicket zup OUT: GREEN BLUE BLUE
IN: wif tufa OUT: GREEN GREEN GREEN
IN: dax blicket kiki OUT: PURPLE PINK
IN: wif blicket wif OUT: GREEN GREEN
IN: wif blicket dax OUT: PINK GREEN

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