*SUPPORT*
IN: fep fep blicket zup wif OUT: PINK PINK GREEN PINK PINK GREEN
IN: dax wif blicket fep OUT: BLUE BLUE PINK
IN: kiki fep dax blicket dax blicket kiki OUT: PURPLE PINK BLUE BLUE PURPLE
IN: zup wif wif OUT: GREEN GREEN GREEN GREEN
IN: fep kiki OUT: PINK PURPLE
IN: fep zup blicket fep OUT: PINK GREEN PINK
IN: dax lug zup OUT: BLUE GREEN GREEN
IN: fep OUT: PINK
IN: zup dax blicket dax OUT: GREEN BLUE BLUE
IN: kiki OUT: PURPLE
IN: fep dax fep wif OUT: PINK BLUE PINK PINK BLUE PINK
IN: zup wif blicket kiki OUT: GREEN GREEN PURPLE
IN: zup wif blicket fep lug dax OUT: GREEN GREEN PINK BLUE BLUE
IN: fep blicket dax OUT: PINK BLUE

*QUERY*
IN: kiki wif blicket dax OUT: PURPLE PURPLE BLUE
IN: dax lug fep OUT: BLUE PINK PINK
IN: zup blicket kiki lug kiki OUT: GREEN PURPLE PURPLE PURPLE
IN: dax OUT: BLUE
IN: zup OUT: GREEN
IN: kiki wif OUT: PURPLE PURPLE
IN: zup fep wif OUT: GREEN PINK GREEN PINK
IN: kiki wif wif wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax blicket dax OUT: BLUE BLUE
IN: dax zup blicket zup OUT: BLUE GREEN GREEN

*GRAMMAR*
dax -> BLUE 
 fep -> PINK 
 zup -> GREEN 
 kiki -> PURPLE 
 x1 blicket u1 -> [x1] [u1] 
 x1 wif -> [x1] [x1] 
 x1 lug x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 