International Day of Solidarity with Detained and Missing Staff Members
{'<entity_0>': 'International Day of Solidarity with Detained and Missing Staff Members', '<entity_1>': 'United Nations'}
[['International Day of Solidarity with Detained and Missing Staff Members', 'founded by', 'United Nations']]
The <entity_0> is observed annually on 25 March by the <entity_1>.
['world day']