*SUPPORT*
IN: dax tufa wif OUT: PURPLE RED RED
IN: blicket OUT: GREEN
IN: dax zup dax OUT: RED RED RED
IN: blicket wif blicket blicket OUT: GREEN PURPLE GREEN GREEN
IN: fep tufa fep kiki blicket OUT: BLUE BLUE BLUE GREEN
IN: wif tufa dax OUT: RED PURPLE PURPLE
IN: dax wif zup dax kiki wif tufa blicket OUT: RED RED RED PURPLE GREEN PURPLE PURPLE
IN: fep zup fep wif OUT: BLUE PURPLE BLUE PURPLE BLUE
IN: wif OUT: PURPLE
IN: blicket zup wif tufa wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE GREEN
IN: fep tufa blicket OUT: GREEN BLUE BLUE
IN: fep tufa dax OUT: RED BLUE BLUE
IN: blicket fep OUT: GREEN BLUE
IN: dax OUT: RED

*QUERY*
IN: blicket zup fep OUT: BLUE BLUE GREEN
IN: fep blicket OUT: BLUE GREEN
IN: dax tufa dax OUT: RED RED RED
IN: wif fep tufa fep OUT: PURPLE BLUE BLUE BLUE
IN: wif tufa fep OUT: BLUE PURPLE PURPLE
IN: wif tufa blicket OUT: GREEN PURPLE PURPLE
IN: blicket zup wif OUT: PURPLE PURPLE GREEN
IN: fep tufa wif OUT: PURPLE BLUE BLUE
IN: blicket tufa wif OUT: PURPLE GREEN GREEN
IN: dax kiki dax kiki dax tufa dax OUT: RED RED RED RED RED

*GRAMMAR*
wif -> PURPLE 
 dax -> RED 
 blicket -> GREEN 
 fep -> BLUE 
 u1 zup x1 -> [x1] [x1] [u1] 
 u1 tufa u2 -> [u2] [u1] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 