$5.$ Identify the group of $3$ sounds that are all registered trademarks. For this question, I would utilize both Google and the United States Patent and Trademark Offices TESS database search. $(5$ points$)$

a$.$ Ho Ho Ho $$ Jolly Green Giant, Homer Simpson $$ D$$oh$.$ Nationwide jingle

b$.$ Peppa Pig$-$snort; Tarzan$$s Yell; AOL $$ You$$ve Got Mail

c$.$ Darth Vader $$ breathing; Rally Hamburgers $$ Cha ching; Amber Watch $-$ alarm

d$.$ Afflack$-$quack; MGM$-$ lion roaring; Powermat$-$battery chirps