Euphemism is a <em>figure of speech</em> where a word or phrase is used to <em>avoid an</em> <em>unpleasent or offensive word</em>, when referring to somethnig umpleasent or embarassing.
The examples of Euphemisms are A and C.
<em>Stretching the truth</em>= lying
<em>put to sleep</em>= killed, sacrificed
Oxymoron is a combination of <em>contraditory words</em>, or words that seem to have <em>opposite meanings</em>.
The examples of Oxymoron are B and D.
<em>Bittersweet</em>
<em>Living dead</em>
