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

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

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