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

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

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