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

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

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