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

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

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