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

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

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