Table 1.

Examples of type-preserving phrases

Templatea	Examplesb
the first course of [Event-Treatment]	the first course of Velban
episodes of [Event-Problem]	episodes of gastric pain
the time of [Time-Date]	the time of 3/21
period of [Time-Duration]	period of 14 days

^aIn the templates, squared parentheses mark the placeholder for a time expression or an event mention

^bIn the examples, italicized letters mark a time expression or an event mention