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

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

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