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

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

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