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

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

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