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

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

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