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

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

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