Dark-haired man wearing a watch and oven mitt about to cook some meat in the kitchen.
A man is going to surprise his wife with dinner.
The man in the first sentence seems like he is cooking for himself not to surprise his wife.
A man cooks some meat in the kitchen doesn't imply that it is meant to surprise his wife and it is dinner he is making.
Just because the man is cooking some meat for dinner, it does not mean he is going to surprise his wife with dinner.