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

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

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