added another flag which catches vent
added another flag which catches vent

MIT-LCP/mimic-code,fereshteh-razmi/mimic-code,MIT-LCP/mimic-code-sharing,MIT-LCP/mimic-code-sharing,MIT-LCP/mimic-code,MIT-LCP/mimic-code,fereshteh-razmi/mimic-code,fereshteh-razmi/mimic-code