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

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

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