*SUPPORT*
IN: tufa wif lug OUT: PURPLE RED GREEN
IN: gazzer kiki OUT: BLUE BLUE
IN: tufa kiki OUT: PURPLE PURPLE
IN: tufa dax OUT: PURPLE PURPLE
IN: lug OUT: GREEN
IN: wif dax OUT: RED RED
IN: tufa blicket kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer blicket kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer dax OUT: BLUE BLUE
IN: lug blicket OUT: GREEN GREEN GREEN
IN: wif dax kiki OUT: RED RED RED RED
IN: tufa OUT: PURPLE
IN: wif blicket OUT: RED RED RED
IN: lug wif OUT: GREEN RED

*QUERY*
IN: gazzer blicket OUT: BLUE BLUE BLUE
IN: lug dax OUT: GREEN GREEN
IN: gazzer OUT: BLUE
IN: tufa lug tufa blicket OUT: PURPLE GREEN PURPLE PURPLE PURPLE
IN: gazzer lug dax OUT: BLUE GREEN GREEN
IN: wif gazzer blicket kiki OUT: RED BLUE BLUE BLUE RED BLUE BLUE BLUE
IN: wif tufa blicket OUT: RED PURPLE PURPLE PURPLE
IN: wif dax kiki kiki OUT: RED RED RED RED RED RED RED RED
IN: lug blicket kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug dax kiki OUT: GREEN GREEN GREEN GREEN

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