claim: A Pet helps those who live alone.
evidence: Joanna Skowronska -LRB- born -RRB- is a Polish female artistic gymnast , representing her nation at international competitions .. artistic gymnast. artistic gymnast. She participated at the 2000 Summer Olympics .. 2000 Summer Olympics. 2000 Summer Olympics. She also competed at world championships , including the 2006 World Artistic Gymnastics Championships in Aarhus , Denmark .. 2006 World Artistic Gymnastics Championships. 2006 World Artistic Gymnastics Championships