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

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

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