1.   But I underestimated the complexity of the whole affair.

2.   Engineers admit they underestimated the complexities of repairing a suspended structure like the Manhattan Bridge while maintaining some subway and car traffic.

3.   Experts say the drug firms underestimated the complexity of cancer biology and jumped the gun by plunging into clinical trials without laying the groundwork through further lab tests.

4.   Microsoft, Wladwasky-Berger said, seems to be overstating its capabilities and underestimating the complexity of building, running and maintaining corporate systems that must operate constantly.

5.   Saying that its scientists simply underestimated the complexity of building the laser, laboratory officials dismiss all accusations that technical problems were intentionally covered up.

6.   The frazzled Gore crowd clearly underestimated the complexity of this trip and have been caught up in an ever-escalating series of clarifications on diplomatic issues.

7.   Those who want doctors to pay more attention to religion, Lawrence said, underestimate the complexity of the subject.

8.   Underestimating its complexity is a mistake that Bob Dylan, for one, never made.

9.   He said cheerful test subjects overestimated their own ability, underestimated the complexity of problems presented to them and tended to opt for answers that seemed easy or obvious.