*SUPPORT*
IN: zup OUT: RED
IN: fep lug fep tufa lug dax OUT: PINK PINK PINK PINK PINK YELLOW YELLOW
IN: zup zup tufa lug kiki wif fep OUT: RED RED RED PINK GREEN PINK GREEN
IN: zup wif zup OUT: RED RED
IN: kiki tufa OUT: GREEN GREEN
IN: fep OUT: PINK
IN: zup tufa OUT: RED RED
IN: kiki lug fep tufa OUT: GREEN PINK PINK PINK PINK
IN: kiki zup tufa wif fep OUT: PINK GREEN RED RED
IN: kiki zup lug kiki tufa wif kiki OUT: GREEN RED GREEN GREEN GREEN GREEN GREEN GREEN
IN: zup dax OUT: RED YELLOW
IN: dax tufa lug zup tufa wif dax OUT: YELLOW YELLOW YELLOW RED RED YELLOW RED RED
IN: kiki zup OUT: GREEN RED
IN: zup wif zup wif fep OUT: PINK RED RED

*QUERY*
IN: kiki tufa wif zup OUT: RED GREEN GREEN
IN: kiki dax tufa wif dax wif dax OUT: YELLOW YELLOW GREEN YELLOW YELLOW
IN: kiki dax tufa OUT: GREEN YELLOW YELLOW
IN: dax wif kiki lug fep tufa OUT: GREEN YELLOW PINK PINK PINK PINK
IN: zup dax tufa OUT: RED YELLOW YELLOW
IN: fep tufa OUT: PINK PINK
IN: fep tufa lug kiki OUT: PINK PINK GREEN GREEN
IN: zup fep kiki tufa OUT: RED PINK GREEN GREEN
IN: dax OUT: YELLOW
IN: kiki OUT: GREEN

*GRAMMAR*
dax -> YELLOW 
 zup -> RED 
 fep -> PINK 
 kiki -> GREEN 
 x1 lug x2 -> [x1] [x2] [x2] 
 x1 wif u1 -> [u1] [x1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 