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

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

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