Complex sentence: Ono explained that she and Lennon were not getting along, had been arguing and were growing apart, and said that Lennon would start seeing other women, but pointed out that Lennon had said he found Pang sexually attractive.
Split into simpler sentences: Ono explained that she and Lennon were not getting along, had been arguing and were growing apart, and said that Lennon would start seeing other women. She pointed out that Lennon had said he found Pang sexually attractive.