Sentence 1: Marion and her sister went to a buffet. 
 Sentence 3: Unfortunately, they had already spent a lot for the buffet price 
 Sentence 4:  So, they made sure to take some leftovers 
 Sentence 5:  That way they didn't feel so guilty 
 Option 1: They ate a plate each but then agreed that the food wasn't great. 
 Option 2: When they saw the buffet options, they chose another restaurant.