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

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

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