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

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

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