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

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

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