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

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

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