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

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

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