*SUPPORT*
IN: fep dax tufa OUT: BLUE RED RED
IN: kiki OUT: PINK
IN: fep dax kiki gazzer OUT: BLUE RED PINK PINK PINK
IN: kiki zup fep OUT: PINK BLUE
IN: dax zup dax OUT: RED RED
IN: wif kiki OUT: PURPLE PINK
IN: dax tufa OUT: RED RED
IN: fep fep OUT: BLUE BLUE
IN: wif wif tufa OUT: PURPLE PURPLE PURPLE
IN: wif gazzer OUT: PURPLE PURPLE PURPLE
IN: fep OUT: BLUE
IN: kiki dax gazzer OUT: PINK RED RED RED
IN: wif dax zup dax OUT: PURPLE RED RED
IN: kiki wif wif zup wif OUT: PINK PURPLE PURPLE PURPLE

*QUERY*
IN: kiki gazzer OUT: PINK PINK PINK
IN: kiki wif kiki gazzer OUT: PINK PURPLE PINK PINK PINK
IN: dax gazzer OUT: RED RED RED
IN: wif dax gazzer OUT: PURPLE RED RED RED
IN: fep wif gazzer OUT: BLUE PURPLE PURPLE PURPLE
IN: dax dax tufa OUT: RED RED RED
IN: wif zup dax OUT: PURPLE RED
IN: dax OUT: RED
IN: fep tufa OUT: BLUE BLUE
IN: wif zup fep OUT: PURPLE BLUE

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