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

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

*GRAMMAR*
fep -> PINK 
 blicket -> PURPLE 
 wif -> GREEN 
 kiki -> BLUE 
 u1 zup x1 -> [x1] [u1] [x1] [x1] [x1] 
 u1 dax u2 -> [u1] [u2] [u1] 
 u1 tufa x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 