Question: What marine vessel was in the German Type VIIB classification?
Answers:
answer_text: German submarine U-101
answer_text: German submarine U-74
answer_text: German submarine U-85
answer_text: German submarine U-99
answer_text: German submarine U-54
answer_text: German submarine U-100
answer_text: German submarine U-51
answer_text: German submarine U-87
answer_text: German submarine U-46
answer_text: German submarine U-50
answer_text: German submarine U-75
answer_text: German submarine U-73
answer_text: German submarine U-45
answer_text: German submarine U-83
answer_text: German submarine U-55
answer_text: German submarine U-53
answer_text: German submarine U-102
answer_text: German submarine U-86
answer_text: German submarine U-84
answer_text: German submarine U-49
answer_text: German submarine U-76
answer_text: German submarine U-52
answer_text: German submarine U-47
answer_text: German submarine U-48