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

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

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