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

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

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