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

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

*GRAMMAR*
dax -> RED 
 kiki -> BLUE 
 gazzer -> YELLOW 
 lug -> GREEN 
 x1 tufa u1 -> [x1] [u1] 
 u1 fep u2 -> [u2] [u1] 
 u1 wif -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 