*SUPPORT*
IN: lug zup lug OUT: BLUE BLUE
IN: lug lug fep OUT: BLUE BLUE BLUE BLUE
IN: wif zup kiki OUT: GREEN PURPLE
IN: kiki dax OUT: GREEN GREEN GREEN GREEN GREEN
IN: kiki OUT: GREEN
IN: lug OUT: BLUE
IN: kiki gazzer fep OUT: GREEN YELLOW GREEN YELLOW
IN: gazzer dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif zup wif OUT: PURPLE PURPLE
IN: wif lug zup lug OUT: PURPLE BLUE BLUE
IN: wif zup wif fep fep OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif gazzer zup kiki fep OUT: PURPLE GREEN YELLOW PURPLE GREEN YELLOW
IN: lug dax OUT: BLUE BLUE BLUE BLUE BLUE
IN: kiki zup lug OUT: BLUE GREEN

*QUERY*
IN: kiki gazzer OUT: GREEN YELLOW
IN: lug kiki OUT: BLUE GREEN
IN: wif OUT: PURPLE
IN: wif dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif zup gazzer OUT: YELLOW PURPLE
IN: lug gazzer zup kiki OUT: BLUE GREEN YELLOW
IN: gazzer OUT: YELLOW
IN: lug fep OUT: BLUE BLUE
IN: lug kiki zup lug OUT: BLUE BLUE GREEN
IN: gazzer zup wif OUT: PURPLE YELLOW

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