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

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

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