Dead Ball?


In which of the following situations is the ball immediately dead:
 
A) Runner Interference
B) Batter Interference
C) Catcher Obstruction
D) Umpire Interference
E) Spectator Interference
 
Call
A) Runner Interference, NF 5-1-1e
D) Umpire Interference with the base umpire, NF 5-1-1f1 (with the plate umpire is a delayed dead ball)
E) Spectator Interference, NF 5-1-1f3