| 41. | Whether the producers will give ground is problematical.
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| 42. | The earlier Blackman shows are even more problematical.
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| 43. | More problematical is relative position of the flagpoles.
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| 44. | Bombing in the ruggedly mountainous countryside is problematical.
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| 45. | Whether the Senate can actually pass it before recessing for the election remains problematical.
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| 46. | The fact that Wikipedia articles are edited collaboratively makes their posting on E2 problematical.
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| 47. | When seedlings exceed 20 bars PMS in storage, survival after outplanting becomes problematical.
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| 48. | The placement of the genera Pachites, Holothrix, and Hederorkis is especially problematical.
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| 49. | The choice of Easter as the date to hold the conventions has been problematical.
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| 50. | In the fall of 1964, the future development of time sharing was problematical.
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