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

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

*GRAMMAR*
gazzer -> PINK 
 fep -> YELLOW 
 dax -> PURPLE 
 tufa -> RED 
 u1 wif x1 -> [x1] [u1] 
 x1 zup x2 -> [x1] [x1] [x2] [x2] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 