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

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

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