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

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

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