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

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

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