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

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

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