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

*QUERY*
IN: dax kiki OUT: YELLOW YELLOW
IN: dax dax tufa zup OUT: YELLOW YELLOW GREEN GREEN
IN: dax OUT: YELLOW
IN: blicket zup OUT: BLUE BLUE
IN: tufa tufa OUT: GREEN GREEN
IN: dax dax wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa kiki OUT: GREEN GREEN
IN: dax zup OUT: YELLOW YELLOW
IN: tufa zup OUT: GREEN GREEN
IN: blicket zup wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE

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