How to Stop a specific virtualhost in apache2

let's say I want to stop only the *example2* VirtualHost. How do I do it? sudo service apache2 stop will stop all the VirtualHosts. I want *example1* to keep running ServerName www.example1.com ServerAdmin webmaster@localhost DocumentRoot /var/www/example1 ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/access.log combined ServerName www.example2.com ServerAdmin webmaster@localhost DocumentRoot /var/www/example2 ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/access.log combined