create implication covering_another (73) -> covering (20783)
create implication covering_mouth (3181) -> covering (20783)
create implication covering_own_mouth (1237) -> covering_self (11161)
create implication covering_face (2386) -> covering (20783)
create implication covering_eyes (870) -> covering_face (2386)
create implication covering_ears (110) -> covering (20783)