*SUPPORT*
IN: lug lug OUT: BLUE BLUE
IN: lug zup lug OUT: BLUE BLUE BLUE
IN: gazzer OUT: RED
IN: gazzer kiki OUT: RED RED RED
IN: dax zup lug OUT: BLUE BLUE PINK
IN: lug kiki OUT: BLUE BLUE BLUE
IN: tufa OUT: YELLOW
IN: gazzer tufa dax OUT: RED YELLOW PINK
IN: tufa kiki OUT: YELLOW YELLOW YELLOW
IN: gazzer wif OUT: RED RED RED RED
IN: gazzer lug OUT: RED BLUE
IN: tufa zup tufa OUT: YELLOW YELLOW YELLOW
IN: dax lug OUT: PINK BLUE
IN: lug zup dax OUT: PINK PINK BLUE

*QUERY*
IN: tufa zup gazzer OUT: RED RED YELLOW
IN: lug zup gazzer OUT: RED RED BLUE
IN: tufa wif OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax kiki OUT: PINK PINK PINK
IN: lug OUT: BLUE
IN: gazzer tufa OUT: RED YELLOW
IN: dax gazzer zup dax OUT: PINK PINK PINK RED
IN: gazzer zup tufa OUT: YELLOW YELLOW RED
IN: dax OUT: PINK
IN: dax zup dax OUT: PINK PINK PINK

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