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

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

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