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

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

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