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

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

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