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

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

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