Learning Lanaguage From Unpleasant Experiences

The class is divided into 3 groups of 3 students, they are all obliged to make Posters under the heading "Learning from unpleasant
experiences" in 20 minutes. All students must be equally involved in the process , they need to gather information by the use of internet in 20 minutes and then have to make 3-minute presentations and introduce their topics in the classroom. So, overall preparation time is 45 minutes and each presentation takes 3 minutes.