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

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

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