Based on the context and the answer, generate a question. 

Context: Fun stuff . The dogs freaked out when they realized it was ME breaking into the house in the middle of the night . So of course , when a puppy wakes up in the middle of the night it has to pee or poop . So I brought the dogs outside into the 20 degree weather ( fucking cold ! )

Answer:

They did not recognise their human



Why might the animals have been upset ?