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

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

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