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

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

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