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

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

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