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

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

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