Answer:
"To keep kids safe walking to and from the school, the
town needs to build more sidewalks."
Step-by-step explanation:
The author is claiming that building sidewalks will keep the students from walking along side the road.
The first one is not a claim but a statement, the third one is not a but rather an opinion because of the use of the saying "it makes sense".
The second one is not a claim but rather reasoning.