21. Joe Rogan did not do commentary for this event because of a prior commitment . 22. Given prior commitments often made by acquirers, mergers may even have a positive effect. 23. Gao will not be here during the festival because of prior commitments , Lang said. 24. A local resident, he begged off, citing a prior commitment . 25. That's because delays in the filming soon made them unavailable because of prior commitments . 26. It's not just that Larson was determined to honor his prior commitment to Hillsdale. 27. Absent because of the proverbial prior commitments were Tiger Woods, Mark O'Meara, and Tom Lehman. 28. My government has no prior commitment to the Syrians, 29. He missed the Sesquicentennial Dutch Masters Reunion because of a prior commitment to the league. 30. Muhammad Ali, who suffers from Parkinson's disease, has a prior commitment with a NASCAR promotion.