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

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

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