Question:
Based on the premise "These additions may have made sense when they were made, but their cumulative effect has been to create a government in which many agencies cannot say just what business they are in.", can we conclude that "These add ons might have made sense when they were made."?
****
Answer:
yes

Question:
Based on the premise "Cost models project the time and cost to develop a system on the basis of estimates of the system's size and other pertinent factors.", can we conclude that "Cost models predict what the time and cost will be for developing a system."?
****
Answer:
yes

Question:
Based on the premise "we've been in it six years", can we conclude that "We hope to be here for a decade."?
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Answer:
it is not possible to tell