In this task, you need to provide the correct option for a given problem on probability from the provided options.

Example Input: Problem: in a certain animal population , for each of the first 3 months of life , the probability that an animal will die during that month is 1 / 10 . for a group of 150 newborn members of the population , approximately how many would be expected to survive the first 3 months of life ? 
Options: a ) 110 , b ) 146 , c ) 152 , d ) 162 , e ) 170
Example Output: a

Example Input: Problem: the membership of a committee consists of 3 english teachers , 4 mathematics teachers , and 3 social studies teachers . if 2 committee members are to be selected at random to write the committee ’ s report , what is the probability that the two members selected will both be english teachers ? 
Options: a ) 2 / 3 , b ) 1 / 3 , c ) 2 / 9 , d ) 1 / 12 , e ) 1 / 24
Example Output: d

Example Input: Problem: three unbiased coins are tossed . what is the probability of getting all tails ? 
Options: a ) 7 / 8 , b ) 1 / 2 , c ) 3 / 8 , d ) 1 / 4 , e ) 1 / 8
Example Output:
e