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

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

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