def get_health_single(obj):
    """
    get individual scores for 4 repo components.
    """
    branch_count = 0
    branch_age = 0
    issues = 0
    pull_requests = 0
    denom = 1
    if obj["branch count"] >= 3:
        branch_count = 1
    if obj["min branch age (days)"] >= 90:
        branch_age = 1
    if obj["issues"] > 0:
        issues = 1
    if obj["pull requests"] > 0:
        pull_requests = 1
    return denom, branch_count, branch_age, issues, pull_requests