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

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

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