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

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

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