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

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

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