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

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

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