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

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

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