You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

We team up with global partners for a donor marathon: the Global Coronavirus Response starting on 4 May. 🌍

The aim is to raise €7.5bn to develop diagnostics, treatments and vaccines &amp; deploy them to every corner of the world at an affordable price. #UnitedAgainstCoronavirus