sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What are some examples of barriers in communication?
 sentence 2: What are some examples of communication barriers? sentence 1: Can we visit francs without passport for educational tour?
 sentence 2: Can we visit France for educational tour with out passport? sentence 1: What happens when you mix hydrochloric acid with ammonia?
 sentence 2: We think the acid reflux problem is due to hydrochloric acid in stomach. But some say it is due to lactic acid not HCL. Can anyone clarify?
not same meaning
same meaning
same meaning
not same meaning