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

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

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