Wine is Yayin Nesech after it descends to the pit.

1.   ?    True.
2.   ?    Grape skins are removed.
3.   ?    Grape skins are removed wine is moved to barrels.
4.   ?    Bottled.
5.   ?    Machlokes all but D.

Wine is Tevelafter it descends to the pit.

1.   ?    True.
2.   ?    Moved to barrels.
3.   ?    Grape skins are removed.
4.   ?    Machlokes A&B.
5.   ?    Machlokes A&C.

Nitzuk falling into something forbidden forbids the top liquid.

1.   ?    True.
2.   ?    False.
3.   ?    Safek.
4.   ?    Machlokes A&B.
5.   ?    Machlokes A&C.

What forbids the Gargusni?

1.   ?    Nitzuk.
2.   ?    Wine overflowed from the pit.
3.   ?    הלכה למשה מסיני.
4.   ?    Machlokes A&B.
5.   ?    Machlokes A&C.

May one stomp grapes with a Nochri?

1.   ?    Yes.
2.   ?    No.
3.   ?    Only if his hands are tied.
4.   ?    Only if he is a leftie.
5.   ?    Machlokes A&C.