create implication taur_upper_pregnancy (61) -> taur (20411)
create implication taur_upper_pregnancy (61) -> pregnant (46607)
create implication taur_lower_pregnancy (200) -> taur (20411)
create implication taur_lower_pregnancy (200) -> pregnant (46607)
create implication taur_double_pregnancy (53) -> taur_upper_pregnancy (61)
create implication taur_double_pregnancy (53) -> taur_lower_pregnancy (200)