Final answer:
The theme of the text is Option 2: Providing service to those in need can have unexpected rewards.
Step-by-step explanation:
The theme of the text is Option 2: Providing service to those in need can have unexpected rewards. This theme suggests that helping others can lead to positive outcomes that may not be immediately apparent. An example of a story that could be used to write an essay on this theme is the novel 'To Kill a Mockingbird' by Harper Lee, in which the characters engage in acts of service and kindness that bring about personal growth and a deeper understanding of the world. Another example is the short story 'The Gift of the Magi' by O. Henry, where the act of selfless giving leads to an unexpected reward in the form of the characters' love and sacrifice.