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

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

*GRAMMAR*
zup -> GREEN 
 lug -> YELLOW 
 dax -> PINK 
 kiki -> RED 
 u1 wif u2 -> [u1] [u2] [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 x1 blicket x2 -> [x1] [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 