*SUPPORT*
IN: zup wif lug wif tufa wif kiki OUT: RED PINK PURPLE BLUE
IN: tufa OUT: PURPLE
IN: lug OUT: PINK
IN: zup blicket zup OUT: RED RED RED RED RED RED
IN: lug blicket tufa OUT: PURPLE PURPLE PURPLE PURPLE PINK PINK
IN: tufa blicket kiki OUT: BLUE BLUE BLUE BLUE PURPLE PURPLE
IN: lug wif lug OUT: PINK PINK
IN: lug wif tufa wif tufa OUT: PINK PURPLE PURPLE
IN: lug blicket kiki OUT: BLUE BLUE BLUE BLUE PINK PINK
IN: lug wif tufa OUT: PINK PURPLE
IN: kiki fep tufa lug OUT: BLUE PURPLE PINK PURPLE PINK BLUE BLUE
IN: tufa tufa wif zup OUT: PURPLE PURPLE RED
IN: zup wif tufa wif tufa wif kiki OUT: RED PURPLE PURPLE BLUE
IN: lug kiki blicket zup OUT: RED RED RED RED PINK BLUE PINK BLUE

*QUERY*
IN: lug lug wif zup wif zup OUT: PINK PINK RED RED
IN: zup lug OUT: RED PINK
IN: kiki OUT: BLUE
IN: lug kiki blicket tufa OUT: PURPLE PURPLE PURPLE PURPLE PINK BLUE PINK BLUE
IN: kiki wif lug OUT: BLUE PINK
IN: kiki wif tufa OUT: BLUE PURPLE
IN: lug tufa wif lug OUT: PINK PURPLE PINK
IN: lug wif zup wif kiki lug OUT: PINK RED BLUE PINK
IN: kiki kiki blicket kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup OUT: RED

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