Sentence 1: Steve was very nervous to ask Tina out on a date. 
 Sentence 3: Steve got encouragement from his friends to ask her to hang out 
 Sentence 4:  Steve gathered courage and asked Tina to study together that night 
 Sentence 5:  Tina said yes and soon they started dating each other! 
 Option 1: Steve had liked Tina for months now, but they never really spoke. 
 Option 2: He mustered the courage to ask her but she told him that she is already committed.