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

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

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