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

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

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