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

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

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