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

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

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