Sentence 1: Jeffrey woke up 8 o'clock in the morning. 
 Sentence 3: When his friend visited him at the park, both of them started to run 
 Sentence 4:  In addition, we used the exercising equipment to work out 
 Sentence 5:  We were in the park for a couple of hours 
 Option 1: He put on his exercising gear and went to the park. 
 Option 2: He put on his exercising gear and went to the gym.