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

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

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