Sentence 1: Today was Jen's first day at her new job. 
 Sentence 3: She was immediately introduced to the manager and staff 
 Sentence 4:  They greeted her and offered for her to come hang out after work 
 Sentence 5:  Jen ended up making lifelong friends at her new job 
 Option 1: She was very nervous about making new friends and fitting in. 
 Option 2: She was very nervous about making money and not getting fired.