Answer the following Q with stream of consciousness. Passage: Yogi Adityanath of the Bharatiya Janata Party has served as the incumbent chief minister since 19 March 2017.

Question: Based on this passage, who is chief minister of utter pradesh 2018?
This is the relevant information: Yogi Adityanath of the Bharatiya Janata Party has served as the incumbent chief minister since 19 March 2017. Therefore, the final answer is Yogi Adityanath of the Bharatiya Janata Party.