create alias older_penetrating (0) -> younger_penetrated (17700)
create implication younger_penetrated (17700) -> age_difference (82404)
create implication younger_penetrated (17700) -> penetration (990183)
create alias younger_penetrating_older (0) -> older_penetrated (6575)
create alias younger_penetrating (0) -> older_penetrated (6575)
create implication older_penetrated (6575) -> age_difference (82404)
create implication older_penetrated (6575) -> penetration (990183)