Answer: the forth statement
Step-by-step explanation:
The value of pounds is very high and of course 1000 pounds is very much and too much for a wife to accept.
In other words, john wants to help his "half Sister" which my blood, they are not his fully blood sisters and since he is a family man ,which this kind of help will depend on his finances , the 1000 pounds is very very much to accept has a family man helping his half sisters and not putting into consideration the step mom.