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

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

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