Happy Birthday to our Dearest Mother , " read a placard at the Shishu Bhavan children 's home in central Calcutta run by Mother Teresa 's Missionaries of Charity .
<response> Happy Birthday to our Dearest Mother , " read a placard at the <organization>Shishu Bhavan</organization> children 's home in central <location>Calcutta</location> run by <person>Mother Teresa</person> 's <organization>Missionaries of Charity</organization> . </response>