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

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

*GRAMMAR*
tufa -> GREEN 
 gazzer -> PINK 
 fep -> YELLOW 
 dax -> RED 
 u1 zup u2 -> [u2] [u1] 
 u1 lug x1 -> [x1] [u1] [u1] [u1] 
 x1 wif -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 