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

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

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