Instructions: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Twitter has named interim Chief Executive Jack Dorsey as its permanent CEO. Dorsey has served as interim CEO for the past three months, after former Dick Costolo stepped down in July. Dorsey will remain the head of fast-growing mobile payments company Square, potentially setting up a conflict of interests for the co-founder of both companies. Twitter previously said the CEO job would be a full-time position, which seemed to exclude Dorsey as long as he continued to run Square. Dorsey is also CEO of mobile payment service Square, a job he has repeatedly said he intends to keep as he prepares to take that San Francisco company public too.Dick Costolo stepped down from role at the beginning of JulyRumours had circulated that interim CEO would be made permanentDorsey will also remain CEO of payment firm SquareTwitter previously said the job would be a full-time position, which seemed to exclude Dorsey as long as he continued to run Square 
 Question:'He has a profound understanding of the product and _'s mission in the world as well as a great relationship with Twitter's leadership team.'
Output:
Twitter