Answer:
Globally, the “This Is Me” challenge involved a package containing video choreography, backing tracks, music sheets and more being sent to schools and theater groups who created their own interpretation.
An infinitive phrase is a group of words introduced by "an infinitive", This group of words may function as a noun, adjective or adverb. In the following example the infinitive phrase is working as an adjective, since it modifies the noun "topic".
<em>The best </em><u><em>topic</em></u><em> </em><u><em>to write about</em></u><em> </em><em>is one you know well.</em>
<em> noun infinitive phrase</em>
You would rather call the number instead of looking for days