The company's efforts to improve safety were apparently (i)____________, at least according to the company's own data, which showed that the (ii)____________ incidents with the potential to cause a serious accident declined significantly. Nevertheless, independent analysts argue that those statistics are (iii)____________. These analysts maintain that the company has consistently underestimated both the probability and the likely effects of accidents in the sensitive and poorly understood environment in which the company is operating. A. innovative B. frequency of C. deceptive D. successful E. impediments to F. testable G. frustrated H. attention to I. consistent