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

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

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