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

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

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