*SUPPORT*
IN: tufa gazzer blicket kiki wif OUT: YELLOW BLUE PURPLE RED
IN: kiki gazzer wif zup kiki OUT: PURPLE BLUE BLUE
IN: blicket blicket dax wif OUT: PURPLE YELLOW YELLOW
IN: tufa OUT: RED
IN: wif dax kiki OUT: BLUE PURPLE
IN: tufa blicket tufa OUT: RED YELLOW RED
IN: tufa wif dax tufa OUT: RED RED PURPLE
IN: blicket dax tufa OUT: RED YELLOW
IN: wif OUT: PURPLE
IN: kiki tufa OUT: BLUE RED
IN: kiki gazzer wif gazzer blicket OUT: YELLOW PURPLE BLUE
IN: wif zup wif OUT: PURPLE PURPLE
IN: blicket zup wif tufa dax blicket OUT: YELLOW YELLOW PURPLE RED
IN: kiki OUT: BLUE

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

*GRAMMAR*
tufa -> RED 
 blicket -> YELLOW 
 kiki -> BLUE 
 wif -> PURPLE 
 x1 zup x2 -> [x1] [x2] 
 x1 gazzer x2 -> [x2] [x1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 