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

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

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