Please choose the correct answer to the question: Some animals are very rare. For example, there are very few Siberian tigers. If the only Siberian tigers left are female, what will most likely happen?

Answer1: The females will find another type of male animal to mate with and produce more Siberian tigers. Answer2: The females will mate with each other and produce more Siberian tigers. Answer3: The females will only be able to produce female Siberian tigers. Answer4: The females will not be able to produce more Siberian tigers, and they will die out.

Answer format: answer1/answer2/answer3/answer4