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

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

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