*SUPPORT*
IN: lug tufa OUT: PINK PINK PINK
IN: wif tufa OUT: YELLOW YELLOW YELLOW
IN: wif gazzer wif OUT: YELLOW YELLOW YELLOW
IN: lug gazzer wif dax lug OUT: PINK PINK YELLOW PINK
IN: fep wif tufa dax fep OUT: GREEN GREEN YELLOW YELLOW YELLOW
IN: fep fep tufa OUT: GREEN GREEN GREEN GREEN
IN: kiki gazzer kiki OUT: RED RED RED
IN: kiki tufa dax lug OUT: PINK RED RED RED
IN: lug fep tufa OUT: PINK GREEN GREEN GREEN
IN: wif OUT: YELLOW
IN: fep tufa dax lug OUT: PINK GREEN GREEN GREEN
IN: kiki gazzer lug dax kiki OUT: RED RED PINK RED
IN: fep gazzer kiki dax kiki OUT: RED GREEN RED GREEN
IN: lug lug gazzer wif OUT: PINK PINK YELLOW PINK

*QUERY*
IN: fep tufa OUT: GREEN GREEN GREEN
IN: kiki dax kiki OUT: RED RED
IN: fep OUT: GREEN
IN: lug dax lug OUT: PINK PINK
IN: kiki kiki tufa dax lug dax lug OUT: PINK PINK RED RED RED RED
IN: kiki gazzer lug OUT: RED PINK RED
IN: lug gazzer wif OUT: PINK YELLOW PINK
IN: lug gazzer wif dax lug dax fep OUT: GREEN PINK PINK YELLOW PINK
IN: lug lug tufa dax kiki OUT: RED PINK PINK PINK PINK
IN: lug OUT: PINK

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