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

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

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