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

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

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