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

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

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