4. likes brother cold coffee my4. Where is Nagaland?All four groups of words in column A are meaningless. But all the groups of words incolumn B make sense. They are sentences.A sentence is a group of words that makes complete sense. It has a unity, standsindependently and expresses a clear meaning.A sentence must contain an action word, or verb. Sentences also contain a subject, orthe doer of the action. Some sentences include an object, that is, the person or thingthat undergoes the action.Cheetahs (subject: doer of the action] run (verb: action] fast.Cheetahs (subject: doer of the action] chase (verb: action] deer [object: thingthat undergoes the action).Sentences begin with a capital letter. They end with a full stop (.), a question mark (?)or an exclamation mark (!).EXERCISE 1Tick the groups of words that are sentences and cross out the oneswhich are not.Bevercise​