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

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

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