Sentence 1: Sandra had a big math test on Tuesday. 
 Sentence 3: Sandra got tutoring help from Ben and studied every night to prepare 
 Sentence 4:  On the day of the test, Sandra was nervous 
 Sentence 5:  Her hard work paid off and she got a B+ on the test 
 Given Sentence 2: She needed a grade of at least a B to pass the class.