*SUPPORT*
IN: zup dax OUT: RED RED RED
IN: kiki blicket wif OUT: GREEN GREEN BLUE
IN: fep lug OUT: PURPLE PURPLE
IN: wif dax OUT: BLUE BLUE BLUE
IN: zup lug OUT: RED RED
IN: kiki blicket kiki OUT: GREEN GREEN GREEN
IN: zup zup lug OUT: RED RED RED
IN: kiki fep dax OUT: GREEN PURPLE PURPLE PURPLE
IN: fep dax blicket zup OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE RED
IN: fep blicket kiki OUT: PURPLE PURPLE GREEN
IN: kiki lug blicket fep OUT: GREEN GREEN GREEN GREEN PURPLE
IN: zup wif lug OUT: RED BLUE BLUE
IN: wif zup lug OUT: BLUE RED RED
IN: wif OUT: BLUE

*QUERY*
IN: zup fep dax OUT: RED PURPLE PURPLE PURPLE
IN: kiki lug OUT: GREEN GREEN
IN: fep dax OUT: PURPLE PURPLE PURPLE
IN: zup dax blicket zup OUT: RED RED RED RED RED RED RED
IN: fep OUT: PURPLE
IN: wif lug OUT: BLUE BLUE
IN: kiki dax blicket zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN RED
IN: zup fep lug OUT: RED PURPLE PURPLE
IN: fep zup dax OUT: PURPLE RED RED RED
IN: zup OUT: RED

*GRAMMAR*
fep -> PURPLE 
 kiki -> GREEN 
 wif -> BLUE 
 zup -> RED 
 x1 blicket u1 -> [x1] [x1] [u1] 
 u1 dax -> [u1] [u1] [u1] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 