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

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

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