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

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

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