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

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

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