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

*QUERY*
IN: dax blicket dax OUT: PINK PINK
IN: wif OUT: GREEN
IN: wif blicket dax OUT: PINK GREEN
IN: kiki zup OUT: YELLOW YELLOW
IN: dax fep blicket dax tufa OUT: PINK PINK RED PINK PINK RED
IN: fep wif blicket kiki tufa OUT: RED YELLOW GREEN RED YELLOW GREEN
IN: wif blicket fep OUT: RED GREEN
IN: kiki kiki OUT: YELLOW YELLOW
IN: fep blicket dax OUT: PINK RED
IN: wif blicket wif tufa OUT: GREEN GREEN GREEN GREEN

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