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

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

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