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

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

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