*SUPPORT*
IN: wif zup lug dax tufa wif OUT: YELLOW YELLOW RED RED
IN: gazzer kiki zup wif tufa gazzer OUT: PURPLE PURPLE PINK YELLOW
IN: wif OUT: YELLOW
IN: kiki OUT: PINK
IN: gazzer tufa wif tufa wif OUT: YELLOW YELLOW PURPLE
IN: wif zup wif zup wif dax tufa wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: lug lug dax OUT: RED RED RED
IN: lug dax tufa kiki OUT: PINK RED RED
IN: kiki zup kiki dax tufa wif tufa gazzer OUT: PURPLE YELLOW PINK PINK PINK
IN: lug kiki zup lug dax OUT: RED PINK RED RED
IN: kiki zup gazzer tufa gazzer OUT: PURPLE PINK PURPLE
IN: gazzer zup kiki tufa wif OUT: YELLOW PURPLE PINK
IN: lug dax OUT: RED RED
IN: gazzer kiki zup gazzer OUT: PURPLE PINK PURPLE

*QUERY*
IN: kiki dax tufa lug OUT: RED PINK PINK
IN: wif dax OUT: YELLOW YELLOW
IN: kiki zup lug dax OUT: PINK RED RED
IN: kiki dax OUT: PINK PINK
IN: kiki lug OUT: PINK RED
IN: lug OUT: RED
IN: kiki lug dax OUT: PINK RED RED
IN: gazzer kiki zup gazzer zup wif tufa kiki OUT: PINK PURPLE PINK PURPLE YELLOW
IN: lug dax tufa lug OUT: RED RED RED
IN: wif zup wif zup gazzer zup kiki dax OUT: YELLOW YELLOW PURPLE PINK PINK

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