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

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

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