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.

Silliness is when a person acts like a fool , or shows a lack of good sense or judgment .
Silliness is defined as engaging in " a ludicrous folly " , showing a " lack of good sense or judgment " , or " the condition of being frivolous , trivial , or superficial " .

Strategic bombing is a military strategy used to destroy the enemies ' economic ability to fight a war .
Strategic bombing is a military strategy used in total war with the goal of defeating the enemy by destroying its morale or its economic ability to produce and transport materiel to the theatres of military operations , or both .

Successive invasions of Germanic tribes meant the end of the Western Empire in the 5th century , but the Eastern Empire persisted throughout the Middle Ages as the Byzantine Empire .

Successive invasions of Germanic tribes finalized the decline of the Western Roman Empire in the 5th century , while the Eastern Roman Empire persisted throughout the Middle Ages , in a state called the Roman Empire by its citizens , and labelled the Byzantine Empire by later historians .