Trufelman noted that “if home is the primary place, and work is a second place, then a third place anywhere else one goes to be around other people—to build community, to hang out, to feel connected,” it explains how apart from home, office is another crucial place where people spend a lot of time. In the above paragraph, “Trufelman noted that” is the Signal Phrase. The line “if home is the primary place, and work is a second place, then a third place anywhere else one goes to be around other people—to build community.