What is the most logical next event?

Several walking or horseriding individuals walk by the foreground while the camera focuses on a group of people in the background. A gate opens and a horseriding man chases a cow. The man lassos and secures the cow. others

Available options:
[a]. walk by the camp site.;
[b]. walk by as the man monitors the herd of onlookers.;
[c]. run up to help with the cow.;
[d]. run by as he leaves the scene.;
[c].