isStratovolcano

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: isStratovolcano

Indicates that the subject is a stratovolcano, i.e., a steep, conical volcano built from alternating layers of lava, ash, and other volcanic materials.