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

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

*GRAMMAR*
gazzer -> GREEN 
 tufa -> PURPLE 
 dax -> BLUE 
 lug -> YELLOW 
 x1 kiki -> [x1] [x1] [x1] 
 x1 fep x2 -> [x2] [x1] 
 x1 wif x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 