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

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

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