Instructions: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Input: Cananga is a small genus of trees in the family Annonaceae. One of its species, "Cananga odorata", is important as the source of the perfume ylang-ylang. Two species are recognized: Question: Which has more species, Cananga or Olea? Answer: Olea
Output:
Two species are recognized: