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

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

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