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

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

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