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

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

*GRAMMAR*
dax -> PURPLE 
 kiki -> BLUE 
 wif -> RED 
 lug -> GREEN 
 u1 blicket x1 -> [x1] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 fep u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 