instruction:
Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
question:
Fafhrd and the Gray Mouser are two sword-and-sorcery heroes appearing in stories written by American author Fritz Leiber.
answer:
Who is the author of Fafhrd and the Gray Mouser?

question:
Lake Champlain Chocolates (LCC) is a privately held chocolate manufacturer located in Burlington, Vermont, USA.
answer:
What is the city where Lake Champlain Chocolates is from?

question:
Past presidents of PEN International have included Alberto Moravia, Heinrich Boll, Arthur Miller, Mario Vargas Llosa, Homero Aridjis, Jiri Grusa and John Ralston Saul.
answer:
Who led PEN International?