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

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

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