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

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

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