From crowdflower. Just answer 13 spelling questions to the best of your ability. There is a limit of 1 hit per user however https://www.mturk.com/mturk/preview?groupId=2FH56XBAT2D5VI3QW9UQ4JGDT6Q40H
Yes munawar this is the easiest hit of crowdflower and decent pay. Thanks Pasibe1 for sharing this hit.