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

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

*GRAMMAR*
wif -> BLUE 
 gazzer -> YELLOW 
 lug -> RED 
 kiki -> PURPLE 
 x1 zup u1 -> [x1] [u1] 
 x1 tufa u1 -> [u1] [x1] 
 x1 dax x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 