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

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

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