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

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

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