As aforementioned, plants vegetetatively propagate both artificially and naturally. It is also possible to construct artificially skewed texts. The pressure amounts to an artificially induced cough. However, it has become a challenge to produce artificially coloured bubbles. Sperm cells with artificially induced acrosome reactions may serve as positive controls. Unnecessary and, especially, artificially produced desires were to be suppressed. Government subsidies covered the large losses from the artificially low consumer prices. It was noticed that extended rest was required after such artificially induced activity. Induction is a method of artificially or prematurely stimulating labour in a woman. Children eat the fruit macerated in artificially sweetened licorice extract. The effect is an artificially engineered dimeric fusion protein. Inoculation is a set of methods of artificially inducing immunity against various infectious diseases. Some exceptions are allowed, e.g., for "naturalized or artificially propagated plants". Lower rates in other countries may be due to artificially low recognition of the diagnosis. The first viviparous animal to be artificially fertilized was a dog.