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

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

*GRAMMAR*
fep -> RED 
 kiki -> YELLOW 
 tufa -> PINK 
 wif -> BLUE 
 x1 blicket x2 -> [x2] [x2] [x1] 
 x1 lug x2 -> [x2] [x2] [x2] [x1] [x1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 