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

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

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