*SUPPORT*
IN: wif kiki OUT: GREEN RED
IN: lug OUT: YELLOW
IN: dax lug dax wif OUT: PINK YELLOW PINK GREEN
IN: lug dax kiki zup OUT: YELLOW PINK RED YELLOW PINK RED
IN: wif OUT: GREEN
IN: wif zup OUT: GREEN GREEN
IN: dax lug blicket wif lug OUT: GREEN YELLOW PINK YELLOW GREEN YELLOW
IN: dax dax OUT: PINK PINK
IN: kiki kiki gazzer dax lug OUT: RED RED RED RED PINK YELLOW
IN: dax zup OUT: PINK PINK
IN: lug kiki OUT: YELLOW RED
IN: wif gazzer kiki OUT: GREEN GREEN RED
IN: kiki dax zup OUT: RED PINK RED PINK
IN: kiki OUT: RED

*QUERY*
IN: wif dax OUT: GREEN PINK
IN: dax lug OUT: PINK YELLOW
IN: kiki wif dax dax blicket dax OUT: PINK RED GREEN PINK PINK PINK
IN: lug dax zup OUT: YELLOW PINK YELLOW PINK
IN: lug dax OUT: YELLOW PINK
IN: wif dax wif OUT: GREEN PINK GREEN
IN: dax OUT: PINK
IN: lug zup zup blicket kiki kiki OUT: RED RED YELLOW YELLOW YELLOW YELLOW RED RED
IN: kiki zup zup blicket dax wif OUT: PINK GREEN RED RED RED RED PINK GREEN
IN: lug lug kiki OUT: YELLOW YELLOW RED

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