Sentence 1: Faya went to a party at a lake with her friends. 
 Sentence 3: Faya ran into the lake, her friends close behind her 
 Sentence 4:  They splashed around, then got something to eat 
 Sentence 5:  Everyone was having a good time 
 Option 1: There were hamburgers cooking and people swimming. 
 Option 2: There were people cooking and hamburgers swimming.