rule = None
        self.D = None

    def _make_candidate(self, X, y, curr_rule, feat, A_c):
        &#34;&#34;&#34; Make candidate rules for grow routine to compare scores&#34;&#34;&#34;

        # make candidate rules
        candidates = [curr_rule.copy() for _ in range(3)]
        candidates = [
            x + [{
                &#39;feature&#39;: int(feat),
                &#39;operator&#39;: operator,
                &#39;pivot&#39;: float(A_c)}]
            for x, operator in zip(candidates, [&#39;