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

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

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