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

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

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