Complex sentence: But when they persisted, Benson told them he would study them, and he met with Maharishi Mahesh Yogi first to find out if he could agree in advance to any outcome, which he did.
Split into simpler sentences: But when they persisted, Benson told them he would study them. He met with Maharishi Mahesh Yogi first to find out if Mahesh could agree in advance to any outcome, which he did.