Some people are against using pollution control devices which is an argument used by protesters to support their stance

Which food would provide you with the most calcium?

Alex is the head photographer for the yearbook and the newspaper. she has a large staff of assistant photographers because they need to take pictures at all of the school events. she knows that some of her photographers have better cameras and can take action shots at sporting events, and that some of them are good at taking candid pictures in the hallways. she sets firm deadlines so she has enough time to look through all of the shots and choose the best ones. she gives her photographers constructive feedback to them improve their pictures. respectful enforcer warlord doormat peacemaker

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3