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

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

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