Complex sentence: At Lily's 1st birthday party, Max ruins it by hogging the bouncy castle, kicking Liam Connor Jr. and throwing toys out of the window, which resulted in Gail dropping the birthday cake.
Split into simpler sentences: At Lily's 1st birthday party, Max ruins it by hogging the bouncy castle, kicking Liam Connor. Jr and throwing toys out of the window, which resulted in Gail dropping the birthday cake.