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

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

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