Please choose the correct answer to the question: Students watched a bird fly to and from a large bush every few minutes. The students told their teacher, "The bird has a nest in that bush." This statement is an example of

Answer1: an inference made from observations. Answer2: an observation made from predictions. Answer3: a prediction made from data samples. Answer4: a result made from inference.

Answer format: answer1/answer2/answer3/answer4