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

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

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