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

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

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