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

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

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