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

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

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