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

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

*GRAMMAR*
blicket -> PINK 
 wif -> YELLOW 
 fep -> RED 
 kiki -> GREEN 
 x1 zup -> [x1] [x1] 
 x1 lug -> [x1] [x1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 