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

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

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