Twitter labelled _________ world leader’s tweets as misleading ?

a) Donald Trump 
b) Boris Johnson
c) Shinzo Abe
d) Joe Biden

In a first, Twitter on May 26, 2020 labelled tweets from US President Donald Trump as misleading by highlighting two of his tweets that falsely claimed mail-in ballots would lead to widespread voter fraud. The social media giant labelled both the tweets with a message that read- “ Get the facts about mail-in-ballots”. The message was linked to a fact-checking platform.