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

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

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