Consider the following premises. forall y_4: R(y_4) -> U(y_4). forall y_4: U(y_4) -> W(y_4). forall y_4: W(y_4) -> U(y_4). forall y_4: W(y_4) -> R(y_4). Can we infer forall y_4: W(y_4) -> R(y_4) from them?
That is one of the premises. Therefore, the answer is yes.