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

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

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