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

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

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