TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: In Japan , reigning emperors are known simply as " the Emperor " and he is now referred to primarily by his posthumous name , Emperor Sho ̄ wa ( 昭和天皇 ) .

SOLUTION: In Japan , reigning emperors are known simply as the Emperor and he is now referred to primarily by his posthumous name , Sho ̄ wa ( 昭和 ) , which is the name of the era coinciding with his reign ; for this reason , he is also known as the Sho ̄ wa Emperor or Emperor Sho ̄ wa .

PROBLEM: Compass-and-straightedge or ruler-and-compass construction is drawing of lengths , angles or shapes using only a ruler and compass .

SOLUTION: Straightedge and compass construction , also known as ruler-and-compass construction or classical construction , is the construction of lengths , angles , and other geometric figures using only an idealized ruler and compass .

PROBLEM: But when the government has a strong prime minister the foreign minister may be may not determine policy himself .

SOLUTION:
In a classic parliamentary system , a foreign minister can potentially exert significant influence in forming foreign policy but when the government is dominated by a strong prime minister the foreign minister may be limited to playing a more marginal or subsidiary role in determining policy .