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

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

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