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

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

*GRAMMAR*
blicket -> GREEN 
 wif -> YELLOW 
 dax -> PINK 
 lug -> BLUE 
 x1 gazzer x2 -> [x1] [x2] 
 x1 kiki x2 -> [x2] [x1] [x2] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 