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

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

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