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

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

*GRAMMAR*
gazzer -> PURPLE 
 dax -> PINK 
 tufa -> RED 
 wif -> BLUE 
 x1 kiki x2 -> [x1] [x2] 
 x1 fep -> [x1] [x1] 
 x1 zup -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 