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

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

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