Task: Question Answering
Input (English): Problem: there is a 10 % chance that tigers will not win at all during the whole season. there is a 20 % chance that federer will not play at all in the whole season. what is the greatest possible probability that the tigers will win and federer will play during the season ?
Options: a. 55 %, b. 60 %, c. 70 %, d. 72 %, e. 80 %
Output (English): e