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

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

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