*SUPPORT*
IN: lug OUT: PINK
IN: tufa wif dax tufa fep OUT: RED RED RED RED
IN: gazzer fep OUT: BLUE BLUE
IN: tufa wif OUT: RED RED
IN: tufa gazzer OUT: RED BLUE
IN: gazzer tufa fep OUT: BLUE RED RED
IN: gazzer OUT: BLUE
IN: tufa kiki wif dax gazzer wif OUT: BLUE BLUE RED PURPLE PURPLE
IN: tufa tufa lug dax lug tufa OUT: PINK RED RED RED PINK
IN: gazzer fep dax gazzer fep OUT: BLUE BLUE BLUE BLUE
IN: kiki lug fep OUT: PURPLE PINK PINK
IN: kiki fep OUT: PURPLE PURPLE
IN: gazzer lug dax kiki OUT: PURPLE BLUE PINK
IN: gazzer gazzer dax kiki fep OUT: PURPLE PURPLE BLUE BLUE

*QUERY*
IN: kiki wif OUT: PURPLE PURPLE
IN: tufa gazzer lug kiki fep OUT: RED BLUE PINK PURPLE PURPLE
IN: kiki gazzer tufa lug wif OUT: PURPLE BLUE RED PINK PINK
IN: lug tufa wif OUT: PINK RED RED
IN: kiki kiki fep OUT: PURPLE PURPLE PURPLE
IN: tufa fep OUT: RED RED
IN: kiki wif dax kiki kiki fep OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: kiki dax tufa tufa fep dax tufa wif OUT: RED RED RED RED RED PURPLE
IN: gazzer wif dax gazzer OUT: BLUE BLUE BLUE
IN: lug wif OUT: PINK PINK

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