Vacation/Italy/Exercise

The following statements are known.

1. In summer vacation, we are going to Italy.
2. In winter vacation, we are going to Austria.
3. If we are in Austria, then we visit are grandma.
4. If we go to Italy, then we drive via Switzerland or Austria.

Answer the following questions.

a) We drive to Italy, but not via Switzerland. Do we visit grandma?

b) We are in Summer vacation and we do not drive through Switzerland. Do we visit grandma?

c) Is it possible to deduce the statement "if we do not visit grandma, then we are not in winter vacation“ from the conditions?

d) Is it possible to deduce the statement "in the summer vacation and in the winter vacation we visit grandma“ from the conditions?

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