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

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

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