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

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

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