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

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

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