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

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

*GRAMMAR*
tufa -> BLUE 
 kiki -> GREEN 
 zup -> RED 
 lug -> YELLOW 
 u1 dax -> [u1] [u1] 
 u1 gazzer -> [u1] [u1] 
 x1 wif x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 