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

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

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