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

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

*GRAMMAR*
blicket -> PURPLE 
 wif -> RED 
 zup -> YELLOW 
 gazzer -> BLUE 
 u1 fep -> [u1] [u1] 
 u1 dax u2 -> [u2] [u2] [u1] [u2] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 