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

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

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