*SUPPORT*
IN: tufa fep wif dax OUT: GREEN RED GREEN RED
IN: tufa wif gazzer OUT: RED GREEN RED GREEN
IN: kiki fep tufa dax OUT: RED BLUE RED BLUE
IN: kiki blicket kiki dax OUT: BLUE PINK BLUE BLUE PINK BLUE
IN: blicket kiki fep kiki OUT: PINK BLUE BLUE
IN: tufa tufa fep blicket OUT: RED PINK RED
IN: tufa gazzer OUT: RED RED
IN: blicket fep wif OUT: GREEN PINK
IN: wif blicket fep tufa dax OUT: GREEN RED PINK GREEN RED PINK
IN: tufa fep tufa gazzer OUT: RED RED RED RED
IN: tufa fep kiki OUT: BLUE RED
IN: tufa fep blicket OUT: PINK RED
IN: wif kiki dax gazzer OUT: GREEN BLUE GREEN BLUE GREEN BLUE GREEN BLUE
IN: wif fep wif OUT: GREEN GREEN

*QUERY*
IN: wif OUT: GREEN
IN: tufa blicket kiki OUT: RED PINK BLUE
IN: blicket fep tufa dax OUT: RED PINK RED PINK
IN: kiki fep blicket OUT: PINK BLUE
IN: blicket kiki fep kiki gazzer OUT: PINK BLUE BLUE PINK BLUE BLUE
IN: blicket blicket wif fep kiki dax OUT: PINK PINK BLUE GREEN PINK PINK BLUE GREEN
IN: tufa OUT: RED
IN: kiki tufa gazzer gazzer OUT: BLUE RED BLUE RED BLUE RED BLUE RED
IN: tufa fep blicket dax OUT: PINK RED PINK RED
IN: blicket OUT: PINK

*GRAMMAR*
wif -> GREEN 
 tufa -> RED 
 blicket -> PINK 
 kiki -> BLUE 
 x1 dax -> [x1] [x1] 
 u1 fep u2 -> [u2] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 