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

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

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