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

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

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