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

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

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