Task: Pos Tagging
Input (English): Sentence: In fact it has caused us to give serious thought to moving our residence south , because it is not easy for the most objective Southerner {{ to }} sit calmly by when his host is telling a roomful of people that the only way to deal with Southerners who oppose integration is to send in troops and shoot the bastards down . 
Word: to
Output (English): PRT