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

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

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