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

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

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