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

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

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