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

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

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