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

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

*GRAMMAR*
blicket -> GREEN 
 fep -> RED 
 wif -> PINK 
 kiki -> YELLOW 
 x1 dax u1 -> [u1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 