Question

Given: If X, then Y. If Y, then Z. Y is true. So:

Answer 1

The answer is "X is unknown, Z is true".

Explanation:

In the given question option is missing so, the correct answer to this question can be defined as follows:

• In this question if X is given, then y means depends upon X.
• If y is given, then z depends on y, that's why in this question Y and Z are true. but X is unknown.