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

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

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