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:

Last week, Amb. Mary Beth Leonard paid a courtesy call on Nigeria's VP @ProfYemiOsinbajo at the Presidential Villa in Abuja. US continues to be a stalwart partner of the Nigerian people as they work to solidify their country’s place as a democratic leader in Africa. #USinNigeria https://t.co/qYm4QOIZO9