Your customer has assigned the following roles to support the Jumpstart engagement$-$a Jira Admin who will multitask as a Jira Align admin, and a Program Manager and Product Manager for program level decisions.They also say the Executive Sponsor will have limited involvement in the Jumpstart.Which recommendations for a Core Team are being disregarded?Select all that apply, and then click Next.a$)$The team is diversified and large enough to continue momentum when team members are out of office..bThere must be a Jumpstart Implementation Lead with authority to make decisions.c$)$ One person should not serve in multiple roles$\mathrm{.}1$d$)$ The Executive Sponsor is required for a majority of the sessions and discussions.