Sentence 1: My father-in-law asked me to help with a project. 
 Sentence 3: These rocks looked small but each scoop of them was very heavy 
 Sentence 4:  We dug rocks all day and it left me feeling exhausted by the end 
 Sentence 5:  The next morning I was very sore and realized that I am out of shape 
 Option 1: He needed all the rocks under his deck to be moved. 
 Option 2: He needed all the grass under his deck to be moved.