I think the correct answer would be “look at it”
If an example is what you need i'll try my best to help. Say for example, you're sitting in class and you're doing a group project and you want your best friend to do it with you but (s)he thought you had meant that you wanted to do it with someone else, because of poor body or facial language.
Does this help at all?...
Answer:
set up a health clinic to help treat waterborn diseses :)
I'd say 13-14 years of age... usually when kids are starting high school