Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: For Yara , it was a matter of convenience . But in Saudi Arabia , public contact between unrelated men and women is strictly prohibited . " Some men came up to us with very long beards and white dresses .

Question: What is not allowed in public in Saudi Arabia ?
contact between men and women who are strangers .
Public contact between unrelated men and women.