Task: Question Answering
Input (English): Question: If a coin is flipped, the probability that the coin will land heads is 1/2. If the coin is flipped 5 times, what is the probability that it will land tails up on the first 4 flips and not on the last flip?

 Option A: 1/8

 Option B: 1/32

 Option C: 1/4

 Option D: 1/2

 Option E: 1/16
Output (English): Option B