Which one is gender neutral?

1 `Chair' and `Chairperson':
The person in charge of a meeting or organization is referred to as the chair, or sometimes the chairperson. These words can be used to refer to either a man or a woman.
Ex:
- This is Ruth Michaels, chairperson of the Women Returners' Network.
- You should address your remarks to the chair.

2 `Chairman':
A chairman is a man who is in charge of a meeting or debate.
The male head of an organization is often referred to as its chairman.
Ex:
- The vicar, full of apologies, took his seat as chairman.
- Sir John Hill, chairman of the Atomic Energy Authority, gave the opening speech.

3 `Chairwoman':
In the past, chairman was used to refer to both men and women, but it is now not often used to refer to a woman. The woman in charge of a meeting or organization is sometimes referred to as the chairwoman.
Ex:
- Margaret Downes is this year's chairwoman of the Irish Institute.
- Siobhan was a BBC radio journalist, and chairwoman of the Scottish Ballet.

Source: Collins Dictionary.

সুতরাং উপর্যুক্ত আলোচনা থেকে দেখা যাচ্ছে,
Chairman - পুরুষবাচক শব্দ হিসাবে ব্যবহৃত হয় এবং এর স্ত্রীবাচক হিসাবে Chairwoman শব্দের ব্যবহার রয়েছে।
কলিন্স ডিকশনারি ছাড়াও অক্সফোর্ড ও ক্যামব্রিজ ডিকশনারিতেও Chairman কে পুরুষবাচক ও একই অর্থে Chairwoman কে স্ত্রীবাচক হিসাবে দেখানো হয়েছে।

অপশনে সঠিক উত্তর না থাকায় উত্তর বাতিল করা হয়েছে।