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

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

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