Final answer:
The restaurant staff or servers are responsible for pulling out chairs for guests in a restaurant to provide a comfortable dining experience.
Step-by-step explanation:
The job of pulling out chairs for the guests in a restaurant typically falls to the restaurant staff or servers. They are responsible for ensuring that the guests are comfortable and have a pleasant dining experience from the moment they are seated. Modern restaurants have a variety of roles such as the chef, kitchen help, and greeters, but the task of attending to the guests directly, including managing seating arrangements, is primarily up to the servers.