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

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

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