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

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

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