C$$d$$c$$g $$ f$$w $$g$$ d$$b$$ w$$c$$g$$ w$$d $$b$$q$$d $$c$$c$$ f$$d$,$ c$$ d$$c$$y $$d$$c$$b$$d $$y c$$y$$g c$.$ c$$c$$g$$: $$d $$f $$d$$g d$$c$$c$$d $$d $$c$$d$$ PN$10$d$$d f$$ d$.$g $.$ Q$$: $.$ c$$d$$c$$g $$y $?.$ W$$f $$ c$$c$$g f$$c$$ c$$c$$ b$$c$$ c$$g$$g $?$