Context: Death from laughter is a rare form of death, usually resulting from cardiac arrest or asphyxiation, caused by a fit of laughter. Instances of death by laughter have been recorded from the times of ancient Greece to the modern day.
 Question: can you have a heart attack from laughing Context: A blighted ovum or anembryonic gestation is characterized by a normal-appearing gestational sac, but the absence of an embryo. It likely occurs as a result of early embryonic death with continued development of the trophoblast. When small, the sac cannot be distinguished from the early normal pregnancy, as there may be a yolk sac, though a fetal pole is not seen. For diagnosis, the sac must be of sufficient size that the absence of normal embryonic elements is established. The criteria depends on the type of ultrasound exam performed. A pregnancy is anembryonic if a transvaginal ultrasound reveals a sac with a mean gestational sac diameter (MGD) greater than 25 mm and no yolk sac, or an MGD >25 mm with no embryo. Transabdominal imaging without transvaginal scanning may be sufficient for diagnosing early pregnancy failure when an embryo whose crown--rump length is 15 mm or more has no visible cardiac activity.
 Question: do you have yolk sac with blighted ovum Context: Erin is excited to have Andy back from his Outward Bound program, but is surprised to see a more confident and cocky Andy. A new love interest for her is introduced in the new guy Pete. In the episode ``The Boat'', Erin and Pete go out for drinks. There are multiple other instances in the beginning of season 9 in which Pete and Erin bond while Andy is on his boat trip. In the episode ``Customer Loyalty'', Erin seems to miss Pete when they are split up by Nellie. Erin decides to break up with Andy prior to his return, but when he returns she cannot find the confidence to break up. After telling Pete and giving him a kiss, she runs back up to Andy's office and breaks up with him. By the time he decides to quit his job and seek fame and fortune, though, Erin feels kinder towards him and gives him sound advice before being greatly moved by his farewell rendition of ``I Will Remember''. In ``Finale'', she is reunited with her birth parents, who had seen the documentary and showed up at a Q&A forum with the office members. It is indicated that she is still dating Pete, as they are shown dancing at Dwight and Angela's wedding.
 Question: when do andy and erin get back together Context: Generic lamp oil is available clear or in a choice of several colors and in scented and unscented forms. Although more expensive, lamp oil is highly refined and burns more cleanly and with less odor than kerosene. ``Lamp oil'' must not be liquid paraffin. ``Water-clear'' K-1 kerosene is the next grade of preferred fuel for kerosene wick lamps. In some locations ``red kerosene'' is sold, which is dyed red and is slightly less expensive than K-1 kerosene, as no motor-fuel taxes are collected on it. Red kerosene is not recommended because the dye will gradually clog the lantern wick, causing odor and reduced performance. ``Klean-Heat'' brand is another highly refined, cleaner-burning, nicer-smelling kerosene substitute sold at many hardware stores during winter. Citronella-scented lamp oil containing lemongrass oil is sold for its insect repellent properties. Citronella fuels should only be used outdoors. Liquid paraffin-based ``lamp oil'' should only be used in round-wick lamps with a wick diameter of less than ⁄ inch (16 mm). Used in larger wicks, this fuel causes the wicks to clog.
 Question: can i use paraffin in an oil lamp
Yes
Yes
No
No