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

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

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