Tag question smoking is injurious to health

What contradictory idea is kafka bringing up about his relationship with his relationship with his father in this passage from letter to his father

What is hamlet pondering at the beginning of act 3?

Choose the sentence that is not logically connected in the paragraph. (1) it all happened late one night after the family had gone to bed. (2) jack was lying in bed when he remembered he had left the groceries on the back seat of the car. in the paper bag was a carton of ice cream. (3) the ice cream would melt during the warm summer night. (4) he put it in the refrigerator.