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

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

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