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

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

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