question: To make the Mongol-Tibetan alliance stronger who became the 4th Dalai Lama ?
answer: the great-grandson of Altan Khan
turker_answer: To make the Mongol-Tibetan alliance stronger , the great-grandson of Altan Khan became the 4th Dalai Lama .
rule-based: To make the Mongol-Tibetan alliance stronger the great-grandson of Altan Khan became the 4th Dalai Lama .