Use basic operations of relational algebra such as projection, and selection to express the below queries based on the given relations from a theatre company database:

CrewMember$($ID$,$ Name, email, salary, address, phoneNo$)$

Movie$($title$,$ language, and genre, releaseDate, duration$)$

Show details including the name, email, salary, and contact number of all crew members working at the theatre.

Details including title, language, and genre of all movies that have a duration of $120$ min or more.