Teacher:In this task, you will be given sentences in which your task is to recognize the name of a person. Note that Twitter names shouldn't be considered as people's names. Although there might be several correct answers, you need to write one of them.
Teacher: Now, understand the problem? Solve this instance:  Under David Cameron house building is at its lowest peacetime level since 1920 's . Labour would have 200 , 000 houses built each year by 2020 .
Student:
David Cameron