*SUPPORT*
IN: gazzer lug dax fep gazzer OUT: PINK PINK GREEN PURPLE PINK
IN: lug OUT: GREEN
IN: dax lug OUT: PURPLE GREEN
IN: gazzer dax tufa fep gazzer OUT: PINK PINK PURPLE PINK PURPLE PINK
IN: dax fep dax OUT: PURPLE PURPLE PURPLE
IN: lug lug OUT: GREEN GREEN
IN: zup lug OUT: YELLOW GREEN
IN: gazzer dax fep gazzer tufa OUT: PINK PINK PURPLE PINK PINK PINK PURPLE PINK
IN: zup gazzer fep dax OUT: PURPLE YELLOW PINK PURPLE
IN: zup tufa OUT: YELLOW YELLOW
IN: zup fep zup OUT: YELLOW YELLOW YELLOW
IN: gazzer OUT: PINK
IN: gazzer fep lug OUT: GREEN PINK GREEN
IN: gazzer wif dax zup OUT: PINK PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW

*QUERY*
IN: gazzer gazzer fep lug fep lug OUT: GREEN GREEN PINK PINK GREEN GREEN
IN: lug fep gazzer OUT: PINK GREEN PINK
IN: zup gazzer tufa fep gazzer OUT: PINK YELLOW PINK YELLOW PINK PINK
IN: zup zup tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: lug fep zup OUT: YELLOW GREEN YELLOW
IN: dax zup OUT: PURPLE YELLOW
IN: dax tufa tufa OUT: PURPLE PURPLE PURPLE PURPLE
IN: zup OUT: YELLOW
IN: dax tufa OUT: PURPLE PURPLE
IN: dax OUT: PURPLE

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