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

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

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