Read the following article and answer the question by choosing from the options.

Once there I looked online with Gavin for schools and found a place with a 1 PM class . I took a 3-hour nap where I was out before my head hit the pillow . We then went to the BJJ class at OC Kickboxing in Irvine . This place seemed interesting because they seemed to run a beginner and intermediate class simultaneously , and both are run by a black belt .

What type of activity is probably being discussed here ?
Available options: [-] None of the above choices . [-] They are probably discussing synchronised swimming [-] They are probably discussing boxing [-] They are probably discussing athletics...A:
None of the above choices .