*SUPPORT*
IN: wif OUT: RED
IN: gazzer zup OUT: YELLOW YELLOW
IN: blicket gazzer fep OUT: BLUE YELLOW YELLOW
IN: dax OUT: PURPLE
IN: gazzer dax wif dax wif OUT: YELLOW PURPLE RED PURPLE RED
IN: dax blicket fep OUT: PURPLE BLUE BLUE
IN: dax fep OUT: PURPLE PURPLE
IN: wif wif blicket dax dax fep OUT: RED RED BLUE PURPLE PURPLE PURPLE
IN: blicket fep OUT: BLUE BLUE
IN: dax gazzer zup OUT: PURPLE YELLOW YELLOW
IN: gazzer wif OUT: YELLOW RED
IN: wif wif tufa OUT: RED RED RED
IN: wif fep OUT: RED RED
IN: blicket zup OUT: BLUE BLUE

*QUERY*
IN: dax tufa OUT: PURPLE PURPLE
IN: dax zup OUT: PURPLE PURPLE
IN: gazzer wif blicket fep OUT: YELLOW RED BLUE BLUE
IN: gazzer blicket zup OUT: YELLOW BLUE BLUE
IN: gazzer OUT: YELLOW
IN: gazzer fep OUT: YELLOW YELLOW
IN: gazzer tufa OUT: YELLOW YELLOW
IN: blicket tufa OUT: BLUE BLUE
IN: blicket OUT: BLUE
IN: wif blicket dax dax tufa OUT: RED BLUE PURPLE PURPLE PURPLE

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