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

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

*GRAMMAR*
wif -> GREEN 
 tufa -> RED 
 lug -> PURPLE 
 gazzer -> YELLOW 
 u1 blicket -> [u1] [u1] 
 x1 zup x2 -> [x2] [x2] [x1] [x2] 
 x1 dax -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 