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

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

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