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

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

*GRAMMAR*
kiki -> BLUE 
 wif -> GREEN 
 tufa -> PINK 
 gazzer -> YELLOW 
 u1 dax u2 -> [u1] [u2] 
 u1 lug -> [u1] [u1] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 