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

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

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