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

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

*GRAMMAR*
wif -> PURPLE 
 fep -> PINK 
 dax -> YELLOW 
 gazzer -> GREEN 
 x1 tufa x2 -> [x2] [x1] [x1] 
 x1 zup -> [x1] [x1] [x1] 
 x1 lug x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 