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

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

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