show_path displays the paths played under a solution.
show_path(x, id = NULL, all = FALSE)An extensive_form object defined by extensive_form() or its
solution (extensive_sol object) found by solve_efg().
An integer value vector of id numbers to specify which solutions to
show. By default, the first solution is displayed. This parameter is
ignored when all = TRUE.
A logical value to determine if all solutions will be displayed.
Default is FALSE.
A ggplot object of the specified game tree.