I don't know about what qualities are demanded to be a good chef.
>> Correct!
OR: I am not sure what qualities are required to be a good chef.
So I can't answer to this question clearly.
>> Correct!
OR: So I can't clearly answer this question.
But Men are usually physically stronger than women so I think it makes easier for men to be a better chef.
>> Correct!
OR: However, because men are typically physically stronger than women, I believe it is easier for men to be better chefs.
Because they can stand for longer time with enough energy so the time they can concentrate on cooking will be longer.
>> Correct!
OR: Because they can stand for longer periods of time with enough energy, they will have more time to focus on cooking.
However, women are usually more sophisticated than men so this will help to be a better chef. It also largely depends on people.
>> Correct!
OR: Women, on the other hand, are typically more sophisticated than men, which will assist them in becoming better chefs. It also heavily relies on people.
So, my answer is I don't know.
>> Correct!
OR: So my answer is, "I'm not sure."