*SUPPORT*
IN: fep dax fep dax fep OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep dax wif OUT: PURPLE PURPLE GREEN
IN: kiki kiki OUT: PINK PINK
IN: tufa gazzer tufa kiki wif gazzer wif OUT: YELLOW PINK GREEN GREEN YELLOW
IN: wif dax wif OUT: GREEN GREEN GREEN
IN: wif gazzer tufa OUT: YELLOW GREEN
IN: fep gazzer tufa kiki OUT: YELLOW PINK PURPLE
IN: fep gazzer wif dax wif lug tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN YELLOW PURPLE
IN: tufa dax kiki OUT: YELLOW YELLOW PINK
IN: tufa gazzer kiki dax fep fep gazzer kiki OUT: PINK PINK PURPLE PINK PURPLE YELLOW
IN: kiki OUT: PINK
IN: fep kiki gazzer fep dax tufa dax tufa OUT: PURPLE PURPLE PURPLE YELLOW YELLOW YELLOW PINK
IN: tufa dax tufa OUT: YELLOW YELLOW YELLOW
IN: tufa tufa wif OUT: YELLOW YELLOW GREEN

*QUERY*
IN: wif gazzer wif gazzer tufa gazzer fep OUT: PURPLE YELLOW GREEN GREEN
IN: tufa dax wif dax kiki dax fep OUT: YELLOW YELLOW GREEN GREEN PINK PINK PURPLE
IN: wif dax fep gazzer wif OUT: GREEN GREEN GREEN PURPLE
IN: kiki fep tufa OUT: PINK PURPLE YELLOW
IN: wif gazzer kiki OUT: PINK GREEN
IN: fep OUT: PURPLE
IN: wif dax kiki lug fep gazzer wif OUT: GREEN GREEN PINK GREEN GREEN PINK GREEN PURPLE
IN: tufa dax fep dax kiki OUT: YELLOW YELLOW PURPLE PURPLE PINK
IN: tufa OUT: YELLOW
IN: kiki dax tufa OUT: PINK PINK YELLOW

*GRAMMAR*
fep -> PURPLE 
 kiki -> PINK 
 wif -> GREEN 
 tufa -> YELLOW 
 u1 gazzer x1 -> [x1] [u1] 
 x1 lug x2 -> [x1] [x1] [x2] 
 u1 dax x1 -> [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 