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

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

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