*SUPPORT*
IN: dax OUT: RED
IN: fep OUT: GREEN
IN: dax dax wif wif tufa OUT: RED RED PINK PINK PINK
IN: fep tufa OUT: GREEN GREEN
IN: dax zup OUT: RED RED
IN: wif tufa OUT: PINK PINK
IN: wif dax OUT: PINK RED
IN: wif zup OUT: PINK PINK
IN: wif fep kiki OUT: PINK GREEN PINK GREEN
IN: wif zup kiki kiki OUT: PINK PINK PINK PINK PINK PINK PINK PINK
IN: fep zup OUT: GREEN GREEN
IN: dax blicket tufa OUT: RED PURPLE PURPLE
IN: blicket OUT: PURPLE
IN: fep fep OUT: GREEN GREEN

*QUERY*
IN: dax tufa OUT: RED RED
IN: wif blicket dax kiki OUT: PINK PURPLE RED PINK PURPLE RED
IN: wif blicket kiki OUT: PINK PURPLE PINK PURPLE
IN: wif wif kiki kiki OUT: PINK PINK PINK PINK PINK PINK PINK PINK
IN: wif OUT: PINK
IN: dax blicket kiki OUT: RED PURPLE RED PURPLE
IN: blicket zup OUT: PURPLE PURPLE
IN: wif kiki OUT: PINK PINK
IN: blicket tufa OUT: PURPLE PURPLE
IN: wif wif OUT: PINK PINK

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