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

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

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