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

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

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