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

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

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