[Q]: The "highly confident letter" was a financing tool created by investment bankers at Drexel Burnham Lambert, dominated by Michael Milken, in the 1980s. Its objective was to enable corporate raiders to launch leveraged buyout (LBO) offers without the debt component of their financing package fully in place. Highly confident letter was a financing tool.
[A]: Yes

[Q]: Return to Paradise is a live album by Styx, released in 1997. It features songs from their successful reunion tour with Tommy Shaw, but without John Panozzo, who died in July 1996. It includes three new studio tracks, including "Dear John", which Shaw wrote as a tribute to Panozzo. Styx released a live album in 1997 that also featured new studio tracks.
[A]: Yes

[Q]: Someone like You is a 2001 romantic comedy film, based on Laura Zigman's novel "Animal Husbandry" which tells of a heartbroken woman who is looking for the reason she was dumped. The film stars Ashley Judd, Greg Kinnear, Hugh Jackman, Marisa Tomei and Ellen Barkin and was directed by Tony Goldwyn. It had a rating of PG
[A]: It's impossible to say

[Q]: Micropalaeosoma balticus (formerly "Palaeosoma balticus" ) is an extinct, fossil turbellarian flatworm known from Baltic amber of Kaliningrad, Russia, that lived approximately 40 million years ago. It measured approximately 1.5 mm in length and is the oldest and most complete flatworm fossil yet discovered. Micropalaeosoma balticus has an A.
[A]:
Yes