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

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

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