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

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

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