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

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

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