sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Could an Inuit survive on a tropical island?
 sentence 2: Which islands are all coral reef islands? sentence 1: What is the best way to motivate oneself to hit the gym regularly?
 sentence 2: How do I motivate myself to go to the gym regularly? sentence 1: Who are the likely Democrats to run in the 2020 Presidential primaries?
 sentence 2: Who are some Democrats who could run against Trump in 2020?
not same meaning
not same meaning
same meaning
same meaning