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

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

*GRAMMAR*
gazzer -> BLUE 
 wif -> RED 
 tufa -> PURPLE 
 fep -> GREEN 
 x1 dax -> [x1] [x1] 
 x1 lug u1 -> [u1] [x1] [u1] 
 x1 zup x2 -> [x1] [x2] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 