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

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

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