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

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

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