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

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

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