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

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

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