You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Hunter-gatherer

Context:
Only a few contemporary societies are classified as hunter-gatherers, and many supplement their foraging activity with horticulture and/or keeping animals.

Question:
What do modern hunter-gatherers use to produce food in addition to gathering?

horticulture and/or keeping animals