3  Causal model

flowchart LR
    A[Distance to ditch]-->B
    B-->C
    B-->D
    C-->D
    click A callback "Tooltip for a callback"
    click B "https://www.github.com" "This is a tooltip for a link"
    click C call callback() "Tooltip for a callback"
    click D href "https://www.github.com" "This is a tooltip for a link"