is it possible to change material for some animation sequence (not affect other sequence)

hello, i’m very new to unreal engine and i’m trying to create a character to be somewhat of an npc as you can see in the picture i have 3 animation sequence idle, wave, talk i want the talk animation sequence to have the flipbook mouth material (animated talking mouth) that i have create as a default rather than a smile mouth. is it possible to set diffrent material in diffrent animation sequence?