This text is missing some spaces, please add them: Tobeginwith,YandexfocusesitsownfuturedevelopmentaroundCatBoost.
To begin with, Yandex focuses its own future development around CatBoost.
input question: Fix spacing: WithPMRfeedingcowsareprovidedwithrelativelyhighamountsofeffectivefibre.

output answer: With PMR feeding cows are provided with relatively high amounts of effective fibre.
Problem: Itworkedquitewell,buttheproblemwasnotsolveduntilastandardSUAVT40floatcarburettorwasmodifiedbyremovingthefloatsandreplacingthemwithadiaphragmunit.ThiscameasanunpleasantsurpriseformanyGermanpilotswhentheydiscoveredthattheiroldmanoeuvredidnotworkanymore.
What's a sentence that uses these characters?
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It worked quite well, but the problem was not solved until a standard SU AVT40 float carburettor was modified by removing the floats and replacing them with a diaphragm unit. This came as an unpleasant surprise for many German pilots when they discovered that their old manoeuvre did not work any more.
Add spaces: WeatherinDusseldorf-Uni,DE(WeatherStation)

Answer: Weather in Dusseldorf-Uni, DE (Weather Station)
Ifyouwanttoknowinadvancewhatturnsmeoff:xxxxxxxxxxx

If you want to know in advance what turns me off: xxxxxxxxxxx
Add spaces: Hairfollicletumorsshouldbeimmediatelyevaluatedbyaveterinarian.

Answer:
Hair follicle tumors should be immediately evaluated by a veterinarian.