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

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

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