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

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

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