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

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

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