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

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

*GRAMMAR*
zup -> RED 
 tufa -> BLUE 
 kiki -> PURPLE 
 wif -> YELLOW 
 u1 lug -> [u1] [u1] [u1] 
 u1 fep u2 -> [u2] [u1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 