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

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

*GRAMMAR*
tufa -> BLUE 
 wif -> PURPLE 
 blicket -> PINK 
 lug -> RED 
 u1 kiki x1 -> [u1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 