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

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

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