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

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

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