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

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

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