Scientists 主语are trying to make 谓语robots 宾语（look 系动词like humans表语 and do谓语 the same things宾语 as we do定语从句）定语从句.
In India状语,scientists 主语made谓语 robots宾语 （that主语 look系动词 like snakes表语）宾语从句.
（If buildings fall down with people inside 条状句）（these snake定语 ）robots主语 can help谓语 look for people不带to的不定式宾语 under the building介词短语作后置定语.
A special day 主语in the United States 介短作后置定语is系动词 Thanksgiving表语.
At this time状语,people all主语 remember谓语 the first travelers宾语 from England介短定语（ who主语 came 谓语to live in America 目的状语about 400 years ago时间状语）定语从句.
Most Americans主语（少了谓语） this idea 宾语（of giving thanks）介短定语（ by having a big meal at home with their family）状语.