This proceeding of Poirot's, in respect of the coco, puzzled me intensely. 
I became extremely confused as a result of this situation.
The case was an exceedingly simple one to grasp.
The hispanic lady is having a picnic.
The GAO guides its research and development.
There are a number of major festivals there.
The venue in the suburb of Marianao is hard to find.
There is a race to beat the record time.
Construct validity refers to how a measurement method represents a construct.