As with anything, you need to start by coming up with a TOPIC for your major research paper. Think along the lines of something that you would or have an interest in (since you are writing a long paper). Once you have a topic, come up with a QUESTION about that TOPIC that you would want to find answers for. Finally, you need to flip that QUESTION, by taking a side or stance on the QUESTION (your answer to the QUESTION) that you will then formulate as your argument to present in your paper. This answer to the QUESTION, on the TOPIC, with reasons you will provide will form your THESIS/CLAIM.
An example of this looks something like this (model your’s like this in your post):
TOPIC
Flopping in basketball
QUESTION
Does “flopping” in basketball ruin the game for the audience?
THESIS/CLAIM
“Flopping” in basketball ruins the game for the audience because…