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

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

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