*SUPPORT*
IN: wif kiki blicket tufa fep dax OUT: YELLOW BLUE GREEN GREEN
IN: blicket OUT: BLUE
IN: wif kiki fep dax dax OUT: YELLOW GREEN YELLOW GREEN YELLOW GREEN YELLOW GREEN
IN: gazzer dax OUT: PURPLE PURPLE
IN: gazzer gazzer kiki wif OUT: PURPLE PURPLE YELLOW
IN: blicket blicket OUT: BLUE BLUE
IN: wif dax OUT: YELLOW YELLOW
IN: fep tufa fep tufa gazzer OUT: GREEN GREEN PURPLE
IN: gazzer OUT: PURPLE
IN: wif fep kiki fep tufa fep kiki blicket OUT: YELLOW GREEN GREEN GREEN BLUE
IN: blicket gazzer kiki wif tufa wif OUT: BLUE PURPLE YELLOW YELLOW
IN: wif OUT: YELLOW
IN: blicket fep fep kiki blicket dax OUT: BLUE GREEN GREEN BLUE BLUE GREEN GREEN BLUE
IN: fep fep OUT: GREEN GREEN

*QUERY*
IN: blicket kiki wif tufa gazzer OUT: BLUE YELLOW PURPLE
IN: blicket wif kiki fep tufa blicket OUT: BLUE YELLOW GREEN BLUE
IN: blicket gazzer kiki fep OUT: BLUE PURPLE GREEN
IN: fep OUT: GREEN
IN: gazzer wif tufa gazzer OUT: PURPLE YELLOW PURPLE
IN: blicket wif dax dax OUT: BLUE YELLOW BLUE YELLOW BLUE YELLOW BLUE YELLOW
IN: gazzer kiki gazzer OUT: PURPLE PURPLE
IN: fep gazzer OUT: GREEN PURPLE
IN: blicket wif kiki wif OUT: BLUE YELLOW YELLOW
IN: wif blicket tufa wif dax OUT: YELLOW BLUE YELLOW YELLOW

*GRAMMAR*
fep -> GREEN 
 blicket -> BLUE 
 gazzer -> PURPLE 
 wif -> YELLOW 
 x1 tufa x2 -> [x1] [x2] 
 x1 dax -> [x1] [x1] 
 x1 kiki u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 