Jackie está tomando sol en la playa .
Mi primito juega con su bisicleta .
La chica patina hasta la casa de la abuela .
Los fines de semana tú juegas deportes con tus amigos.
Hey! I’m not too sure if this question is tied to notes or a lesson during class but from the general basis of the question I can assume that: Who, When, Where and Why are the words your looking for.
Hope this helps.
Answer: boxeo.
Because the article "el" implies tha the noun is male and singular.