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

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

*GRAMMAR*
zup -> GREEN 
 wif -> YELLOW 
 gazzer -> PINK 
 fep -> BLUE 
 u1 kiki u2 -> [u1] [u2] 
 x1 lug u1 -> [u1] [x1] 
 x1 dax x2 -> [x2] [x1] [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 