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

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

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