*SUPPORT*
IN: tufa zup wif OUT: PURPLE BLUE PURPLE
IN: lug tufa kiki dax zup dax OUT: RED RED RED YELLOW PURPLE
IN: wif blicket lug zup dax OUT: YELLOW RED YELLOW YELLOW RED YELLOW BLUE BLUE
IN: dax dax zup lug OUT: RED RED YELLOW RED
IN: wif OUT: BLUE
IN: dax zup wif OUT: RED BLUE RED
IN: lug zup tufa OUT: YELLOW PURPLE YELLOW
IN: tufa wif zup wif OUT: PURPLE BLUE BLUE BLUE
IN: dax OUT: RED
IN: lug OUT: YELLOW
IN: wif zup lug OUT: BLUE YELLOW BLUE
IN: dax zup tufa OUT: RED PURPLE RED
IN: wif kiki wif zup tufa OUT: BLUE PURPLE BLUE BLUE
IN: dax blicket tufa OUT: PURPLE PURPLE RED RED

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

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