You will be given a definition of a task first, then some input of the task.
In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Question: Did Muhammad Khan die before or after his uncle Alivardi? Passage:Muhammad had arrived to the Bengal Subah (Bengal Province) of the Mughal empire accompanied by his father Haji Ahmed and his uncle Alivardi Khan. He worked under Shuja-ud-Din Muhammad Khan, the naib nazim of Orissa, as a petty officer. After Shuja-ud-Din Muhammad Khan became Nawab of Bengal, Nawazish Muhammad Khan was made the paymaster of the Nawabs army. He was also made the superintendent of customs based in Murshidabad. He married Ghaseti Begum the daughter of Alivardi Khan. After Alivardi Khan became the Nawab of Bengal, Muhammad was made Dewan of crown lands. He was also appointed the governor of Dhaka with Husain Quli Khan as his deputy governor. He was also given the title Shahmat Jang. Due to his illness the state affairs were managed by his wife and deputy. He adopted the younger brother of Siraj ud-Daulah, Ikramuddaula, who died from smallpox. Muhammad grief-stricken died soon after in 1755.
Links: a. Dewan b. Alivardi Khan c. Odisha d. Ghaseti Begum
Output:
b