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

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

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