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

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

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