In the following question below are given some statements followed by some conclusions based on those statements. Take the given statements to be true even if they seem to be at a variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follow the given statements. 

Statements:

I. All dams are wood.

II. Some wood are chairs.

III. No chairs are umbrellas.   

Conclusions:

I. Some umbrellas are wood.

II. All wood are dams.