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

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

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