Question:
But it's certainly fortunate for all parties that we've managed to find the young lady."

Does it follow that "It's good for all of us that we've found the young lady."?
Answer:
yes

Question:
2 position in government, JQA was the presumptive front-runner in the 1824 presidential race, though it was Andrew Jackson who won a plurality (yet not the necessary majority) of electoral votes.

Does it follow that "Andrew Jackson won a plurality of electoral votes in the 1824 presidential race. "?
Answer:
yes

Question:
Because competent lawyers in the corporate practice don't want to get involved.

Does it follow that "Many lawyers that practice corporate law are indeed rather competent. "?
Answer:
yes

Question:
Postal Service also considers the data in the electronic spreadsheets commercially sensitive because they contain country-specific data.

Does it follow that "The data in the electronic spreadsheets are also considered by the Postal Service as commercially sensitive."?
Answer:
yes