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

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

*GRAMMAR*
wif -> YELLOW 
 kiki -> BLUE 
 dax -> GREEN 
 fep -> PINK 
 u1 tufa -> [u1] [u1] 
 x1 zup x2 -> [x1] [x1] [x2] [x2] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 