Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Pachycereus is a genus of 912 species of large cacti native to Mexico and just into southern Arizona, United States. They form large shrubs or small trees up to 15 m or more tall, with stout stems up to 1 m in diameter. Question: Is the plant Decumaria a genus of more species than the plant Pachycereus? Answer: no
Student:
Pachycereus is a genus of 912 species of large cacti native to Mexico and just into southern Arizona, United States.