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

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

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