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

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

*GRAMMAR*
fep -> PURPLE 
 dax -> GREEN 
 gazzer -> PINK 
 wif -> RED 
 u1 tufa x1 -> [x1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 