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

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

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