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

*QUERY*
IN: blicket dax blicket OUT: RED RED RED
IN: fep dax blicket dax blicket zup dax wif OUT: BLUE BLUE RED RED RED PINK PINK YELLOW
IN: fep zup kiki OUT: BLUE PINK PINK PINK
IN: wif dax wif OUT: YELLOW YELLOW YELLOW
IN: zup zup OUT: PINK PINK
IN: zup kiki OUT: PINK PINK PINK
IN: zup dax zup tufa OUT: PINK PINK PINK PINK PINK PINK
IN: fep tufa OUT: BLUE BLUE BLUE BLUE
IN: wif wif tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup dax zup zup OUT: PINK PINK PINK PINK

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