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

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

*GRAMMAR*
zup -> PURPLE 
 wif -> BLUE 
 lug -> RED 
 fep -> YELLOW 
 u1 gazzer -> [u1] [u1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 