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

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

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