@startuml participant Alice participant Bob participant John Alice-->John: Hello John, how are you? loop Healthcheck John-->John: Fight against hypochondria end rnote over John Rational thoughts prevail... endrnote John-->Alice: Great! John-->Bob: How about you? Bob-->John: Jolly good! @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       Pure Javascript  PNG  SVG  ASCII Art