Definition: Given a sentence in Korean, provide an equivalent paraphrased translation in Spanish that retains the same meaning both through the translation and the paraphrase.
Input: Bertlmann은 Walter Thirring의 친한 친구이자 공동 작업자였으며 John Stewart Bell과 함께 작업했습니다.
Output:
Bertlmann era amigo íntimo y colaborador de Walter Thirring y trabajó con John Stewart Bell.