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

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

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