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

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

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