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

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

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