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

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

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