Sentence 1: Leah was celebrating her 10th birthday. 
 Sentence 3: Everyone gathered in their hula skirts to sing to Leah 
 Sentence 4:  She opened gifts and everyone enjoyed the cake 
 Sentence 5:  Everyone swam until the party ended later that afternoon 
 Option 1: The party was a luau theme and all of her friends were there. 
 Option 2: The party was a Toy Story theme.