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

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

*GRAMMAR*
fep -> BLUE 
 blicket -> GREEN 
 gazzer -> PINK 
 zup -> YELLOW 
 u1 lug u2 -> [u2] [u1] 
 x1 tufa u1 -> [u1] [x1] 
 x1 wif x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 