Which of the Following Is a POOR Example of a Hypothesis

Which of the following is a POOR example of a hypothesis for experimental evaluation research?

A) Women who take the Assertiveness Training Workshop are more likely to state when they feel that their personal boundaries have been crossed than women who do not take the training.
B) New fathers who work for the State of New York and take the paid parental leave available to them when their child is born are more likely to report feeling productive in their jobs upon their return than those who do not take the paid leave available to them.
C) Those democrats who voted for Hillary Clinton in the 2016 primaries are more likely to vote for a woman in the 2020 primaries than are those who voted for Bernie Sanders.
D) Independent business owners who participate in the Work for Dignity program, in which they hire a homeless person to do 5 hours of work at their establishment per week paid for by a grant from the County, are more likely to volunteer their services or donate their products to the local homeless shelters than those who do not participate in the program.