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

*QUERY*
IN: wif gazzer wif OUT: BLUE BLUE BLUE
IN: wif tufa gazzer kiki OUT: BLUE RED YELLOW YELLOW
IN: kiki wif blicket OUT: RED BLUE RED BLUE RED BLUE
IN: tufa gazzer kiki OUT: RED YELLOW YELLOW
IN: wif OUT: BLUE
IN: kiki tufa blicket OUT: RED YELLOW RED YELLOW RED YELLOW
IN: tufa OUT: YELLOW
IN: tufa blicket OUT: YELLOW YELLOW YELLOW
IN: kiki gazzer wif OUT: BLUE RED RED
IN: wif gazzer tufa OUT: YELLOW BLUE BLUE

*GRAMMAR*
tufa -> YELLOW 
 kiki -> RED 
 dax -> PINK 
 wif -> BLUE 
 x1 blicket -> [x1] [x1] [x1] 
 u1 gazzer u2 -> [u2] [u1] [u1] 
 x1 lug x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 