BUR #39121 has been approved by @nonamethanks.
create implication tusk_act1 -> tusk_(stand)
create implication tusk_act2 -> tusk_(stand)
create implication tusk_act3 -> tusk_(stand)
create implication tusk_act4 -> tusk_(stand)
That implication need, because stand tusk doesn't meen what act of tusk using now and, because some people don't now tusk stand is Necessarily need or no.