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

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

*GRAMMAR*
zup -> RED 
 lug -> PINK 
 dax -> BLUE 
 wif -> PURPLE 
 x1 tufa x2 -> [x1] [x2] 
 x1 blicket x2 -> [x2] [x1] 
 x1 kiki u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 