In one sentence, describe what the following article is about: Rinse the mangoes and put them on a cutting board. Hold a mango against the board and carefully cut down 1 side of it. Try to cut as close to the seed in the center, so you're able to remove the most fruit. Then, slice down the other side of the mango. Scoop the flesh from both pieces and chop it into 1⁄2 inch (1.3 cm) pieces.  Use a small knife to trim the flesh around the seed itself. You should get around 4 cups (660 g) of mango pieces. Clip a candy thermometer to the side of the pot or occasionally insert an instant-read thermometer into the jam to see if the jam has reached the setting temperature of 220 °F (104 °C). Stir the jam occasionally as it bubbles and thickens. Skim off foam that floats to the top of the jam and discard it since becomes rubbery if you leave it in the jam. For long-term storage, place the jars in a water bath so they're covered by at least 1 inch (2.5 cm) of water. Boil the jars for 10 minutes and then set the jars aside until the jars are at room temperature. If you don't want to can the jam, put the jars in the refrigerator and use them within 3 weeks. If you process the jam, store the jars at room temperature for up to 1 year. Press down on the lid to check that the seal doesn't pop back up before you open the jar and eat the jam.
Summary: Slice the flesh from 6 or 7 large mangoes. Cook the mango jam until it reaches 220 °F (104 °C). Process the jars or store them in the refrigerator.

In one sentence, describe what the following article is about: Pigeons won't appreciate the force or concentration of the water being targeted at them. Spray the birds when they first arrive. If you wait until they set up house, it will be too late.
Summary: Spray pigeons with water from a garden hose.

In one sentence, describe what the following article is about: If you are in high school, sign up for your school's gymnastics team. If you are younger you would have to join classes. If you are more advanced, you may be able to join a competitive gymnastics team. Arrange a good schedule, and make sure you leave a good amount of time to get to your class. Not just vault, floor, beam, bars. Also, work hard in the conditioning and stretching. But don't go too far, especially with the stretching. If you are in a group like most gymnasts, asks for tips that are most important to you. But if you have a private instructor/coach, ask them help for all skills, learn to deal with criticism, because most coaches don't mean to insult you. Use the tips. Unless your coach is just a friend's parent, or a P.E. teacher, you should trust their tips. Coaches at gymnastics gyms, are qualified, and most competitive ones, have been through the 10 levels of gymnastics some are even elite gymnasts.
Summary:
Find a good class or team. Be on time. Work hard. Ask your coach or instructor for tips.