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

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

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