The film's story unfolds as a surreal narrative of connected vignettes punctuated by vaudeville interludes. Occasionally, a Mass was punctuated with short dramatic scenes and painting-like . Their relationship was stormy; it was often punctuated with frequent arguments and fights. The satire ended abruptly with a rendition of "Jingle Bells" punctuated by cash register sounds. Flood basalt events occur as pulses of activity punctuated by dormant periods. In past eras periods of change were always punctuated with times of stability. The emergence of archaic humans is sometimes used as an example of punctuated equilibrium. Protracted withdrawal symptoms can be punctuated by periods of good days and bad days. The Serengeti plain is punctuated by granite and gneiss outcroppings known as kopjes. Bioerosion intensity and diversity is punctuated by two events. Every sentence was punctuated with cries of samy, samy from the labourers. Their relationship was punctuated by bouts of domestic violence and drug abuse. The plan is like a biological cell punctuated with tables and courtyards alike. The quiet of the Phoney War was punctuated by a few Allied actions. Despite his many popular successes, Tchaikovsky's life was punctuated by personal crises and depression.