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

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

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