*SUPPORT*
IN: fep dax kiki OUT: PINK PURPLE
IN: fep wif wif kiki kiki dax kiki OUT: PINK GREEN GREEN PURPLE PURPLE PURPLE
IN: gazzer OUT: BLUE
IN: kiki OUT: PURPLE
IN: wif zup gazzer OUT: GREEN BLUE BLUE
IN: wif dax gazzer OUT: GREEN BLUE
IN: gazzer zup fep OUT: BLUE PINK PINK
IN: fep OUT: PINK
IN: wif kiki fep OUT: GREEN PURPLE PINK
IN: gazzer wif dax wif OUT: BLUE GREEN GREEN
IN: kiki zup fep OUT: PURPLE PINK PINK
IN: gazzer dax gazzer OUT: BLUE BLUE
IN: gazzer dax fep OUT: BLUE PINK
IN: gazzer lug wif gazzer dax kiki OUT: GREEN BLUE PURPLE BLUE

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

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