What is the most logical next event?

Men are standing against the fence, the gates are up and a rider is waiting to start. Once the gate opens a little cow comes running out and the horse chases after. the rider

Choices: --getting off his horse throws the cow off and also walks away in frustration.. --starts running down an grassy trail.. --throws a rope at the cow trying to catch it and then jumps off the horse.. --is able and ends up climbing down the horse..
throws a rope at the cow trying to catch it and then jumps off the horse.