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

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

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