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

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

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