Read the following premise and answer if the hypothesis is true.
When we heard of his illness I went over to Woodlands to see him , for I had always been a great favourite with him .<br>The big house was quiet , the servants going about their work as usual , without any appearance of excitement .<br>I was told that I could not see Mr. Lawrence for a little while , as the doctor was with him .<br>Mrs. Yeats , the housekeeper , said the attack was not serious and asked me to wait in the blue parlour , but I preferred to sit down on the steps of the big , arched front door .<br>It was an evening in June .
Hypothesis: Mrs. Yeats has been Mr. Lawrence's housekeeper for the past 10 years.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say. The text does not provide enough information to determine how long Mrs. Yeats has been the housekeeper for Mr.