Sentence 1: My teammate and I were in the woods surveying some trees. 
 Sentence 3: It had signs of infestation from an invasive beetle in the area 
 Sentence 4:  We had to cut the beautiful red maple down 
 Sentence 5:  We were sad, but happy to be helping the environment 
 Option 1: We had to mark each healthy tree we surveyed so the work wasn't duplicated. 
 Option 2: We saw a great big red maple.