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

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

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