# A, B, C and D are four sets such that A ∩ B = C ∩ D = Ø :

A, B, C and D are four sets such that A ∩ B = C ∩ D = Ø. Consider the following:

1. A ∪ C and B ∪ D are always disjoint.

2. A ∩ C and B ∩ D are always disjoint.

Which of the above statements is/are correct?

- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2