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

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

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