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

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

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