*SUPPORT*
IN: zup lug fep tufa OUT: YELLOW RED BLUE YELLOW
IN: zup blicket kiki zup wif OUT: RED PURPLE RED RED PURPLE RED RED
IN: kiki fep tufa wif OUT: YELLOW YELLOW PURPLE YELLOW YELLOW
IN: lug kiki fep kiki wif OUT: PURPLE PURPLE BLUE PURPLE PURPLE PURPLE
IN: kiki OUT: PURPLE
IN: kiki lug OUT: PURPLE BLUE
IN: tufa kiki OUT: YELLOW PURPLE
IN: kiki wif OUT: PURPLE PURPLE
IN: kiki blicket lug OUT: PURPLE BLUE BLUE
IN: kiki blicket kiki wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup OUT: RED
IN: tufa zup fep tufa wif OUT: YELLOW YELLOW YELLOW RED YELLOW YELLOW
IN: lug wif OUT: BLUE BLUE
IN: tufa wif OUT: YELLOW YELLOW

*QUERY*
IN: lug kiki wif OUT: BLUE PURPLE PURPLE
IN: tufa OUT: YELLOW
IN: zup zup OUT: RED RED
IN: lug OUT: BLUE
IN: lug tufa OUT: BLUE YELLOW
IN: lug wif fep kiki OUT: PURPLE BLUE BLUE PURPLE
IN: lug fep kiki OUT: PURPLE BLUE PURPLE
IN: zup fep zup fep lug OUT: BLUE RED RED RED BLUE
IN: zup wif OUT: RED RED
IN: zup fep kiki OUT: PURPLE RED PURPLE

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