*SUPPORT*
IN: kiki OUT: PINK
IN: kiki wif kiki OUT: PINK PINK
IN: zup dax gazzer OUT: GREEN GREEN BLUE
IN: zup gazzer kiki OUT: BLUE GREEN PINK
IN: tufa wif tufa dax kiki wif tufa OUT: RED PINK RED PINK RED RED
IN: kiki dax kiki kiki lug zup OUT: BLUE PINK PINK PINK PINK PINK
IN: gazzer OUT: GREEN
IN: zup gazzer lug gazzer OUT: GREEN BLUE GREEN
IN: gazzer wif zup tufa dax kiki wif zup OUT: GREEN BLUE PINK BLUE PINK BLUE RED
IN: gazzer dax zup OUT: BLUE BLUE GREEN
IN: zup tufa gazzer OUT: BLUE RED GREEN
IN: zup OUT: BLUE
IN: gazzer wif kiki OUT: GREEN PINK
IN: gazzer wif tufa gazzer OUT: GREEN RED GREEN

*QUERY*
IN: gazzer tufa dax tufa OUT: GREEN RED RED RED
IN: kiki dax kiki tufa kiki OUT: PINK RED PINK PINK RED PINK PINK
IN: zup wif tufa OUT: BLUE RED
IN: gazzer lug gazzer wif kiki OUT: GREEN PINK GREEN
IN: kiki tufa wif gazzer dax gazzer OUT: PINK RED GREEN GREEN GREEN
IN: zup wif gazzer gazzer wif gazzer OUT: BLUE GREEN GREEN GREEN
IN: tufa OUT: RED
IN: zup kiki dax gazzer OUT: BLUE GREEN GREEN PINK
IN: tufa wif tufa wif gazzer OUT: RED RED GREEN
IN: kiki dax tufa OUT: RED RED PINK

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