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

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

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