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

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

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