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

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

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