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

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

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