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

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

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