Sentence 1: Ray and Tina were at the mall. 
 Sentence 3: Tina said she would only buy a few dresses 
 Sentence 4:  So Ray said he would wait for her 
 Sentence 5:  Two hours passed before Ray decided to leave 
 Option 1: Tina's feet hurt and was ready to leave. 
 Option 2: And Tina wanted to go shopping.