Definition: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Input: Question: A coin is tossed live times. What is the probability that there is at the least one tail?

 Option A: 31/32

 Option B: 31/35

 Option C: 31/39

 Option D: 31/12

 Option E: 31/39

Option A