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

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

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