Sentence 1: Tim wanted to take art classes. 
 Sentence 3: Tim did very well in the classes and was very talented 
 Sentence 4:  Tim began selling his artwork 
 Sentence 5:  As Tim got older, he made enough selling his art to pay for school 
 Option 1: His mother decided to let him take the classes but will never sell artwork. 
 Option 2: His mother decided to let him take the classes.