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

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

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