Read the following article and answer the question by choosing from the options.

He would stand in front of us whenever another dog was near by and would not let any other dogs come close without a quick inspection . When it came to strange people he did n't know , he was more than happy to be friendly but he constantly kept his guard up . Staying by our side when new people were near just in case . In all the time we had him , he only warned one person to get away . He even took care of you if you were sick ... Well , in his own way .

What may be a fact about this person ?
OPT:
-None of the above choices ..
-They had to give their dog up for adoption ..
-They are talking about their previous dog ..
-They are upset about giving up their dog .....A:
They are talking about their previous dog .