In addition, godly persons should not be "unequally yoked" in marriage to "notoriously wicked" persons. One of several statues in the park, it depicts yoked oxen pulling a loaded wagon. They set out with 670 cattle, 32 bullocks yoked to two wagons and 86 horses. Other animals that may be yoked include horses, mules, donkeys, and water buffalo. Dylan Klebold was a suicidally depressed kid who yoked his fate to a sadist. Now Pinzgauer are not yoked, and the hornless breed is well adapted to modern husbandry. Pairs of cows may sometimes be yoked to carts for folklore or festival occasions. Groups 2 and 3 consisted of "yoked pairs". To test this Brady used a yoked control monkey. If the yoked subjects shared a letter, choosing it did not contribute to the measurement. In all the variations of the experiment, no yoked control monkey ever developed an ulcer. Collections were published as "Hawkeyetems" (1877), "Hawkeyes" (1879), and "Smiles Yoked with Sighs" (1900).