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

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

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