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

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

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