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

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

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