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

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

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