Which of the following phrases, if entered in a search engine, would yield pages containing the words orangutan or sumatra but not necessarily both?

a. orangutan sumatra

b. "orangutan sumatra"

c. orangutan sumatra

d. orangutan - sumatra

The correct answer would be either option A or option C since they are just the same. The phrases that if entered in a search engine, would yield pages containing the words orangutan or sumatra but not necessarily both would be this: orangutan sumatra. Hope this is the answer that you are looking for.