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

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

*GRAMMAR*
zup -> RED 
 wif -> YELLOW 
 fep -> PINK 
 gazzer -> PURPLE 
 u1 lug x1 -> [x1] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 dax u2 -> [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 