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

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

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