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

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

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