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

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

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