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

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

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