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

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

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