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

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

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