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

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

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