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

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

*GRAMMAR*
tufa -> GREEN 
 kiki -> PURPLE 
 zup -> BLUE 
 gazzer -> RED 
 x1 wif -> [x1] [x1] 
 x1 lug x2 -> [x1] [x2] [x2] 
 x1 dax -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 