[THREE]

Question #1..
R1 rounds first base and is obstructed by F3.
R1 continues to second base and is thrown out at second base.

Question #2..
R1 rounds first base and is obstructed by F3.
R1 continues around second base and is thrown out at third base.

Question #3..
R1 rounds first base and is obsructed by F3.
R1 continues around second and third base and is thrown out at home plate.

What's the call in the above three situations????

Thanks