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

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

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