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

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

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