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

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

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