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

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

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