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

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

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