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

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

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