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

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

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