C.lesser to greater is answer
The assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, and his wife Sophie in Sarajevo (the capital of the Austro-Hungarian province of Bosnia-Herzegovina) on 28 June 1914 eventually led to the outbreak of the First World War
I would probably say plump.
Essentially, in this question, you're looking for the word that would be the least insulting. More broadly, when asked about positive connotation, you're looking for a word that is not viewed negatively.
Words like fat and cheap have negative connotations, especially when applied to people. Words like plump and frugal are much more positive.
