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

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

*GRAMMAR*
kiki -> RED 
 wif -> BLUE 
 gazzer -> GREEN 
 tufa -> PURPLE 
 x1 blicket x2 -> [x1] [x2] 
 x1 dax -> [x1] [x1] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 