Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.
Input:  Person1:       ... And now , let ’ s go to Kenny Williams for today ’ s weather forecast .  
 Person2:Thank you Bill , and good morning Salt Lake City !  
 Person1:        What ’ s the weather looking like today , Kenny ?  
 Person2:Well , it ’ s a bit of a mixed bag in Utah today . we ’ Ve got heavy cloud cover here in Northern Utah , and we ’ re calling for scattered showers throughout the day , with a day-time high of forty-five degrees.Now , if we move down to the south of the state , we can see that a cold front is moving in.We can expect clear skies , but it will be quite cold , with temperatures hovering around the thirty degree mark .  
 Person1:        It ’ s a chilly day folks , so don ’ t forget your coats ! What about tomorrow Kenny ? Do you have good news for us ?  
 Person2:Well , it ’ ll be a rainy day for Northern Utah.we can expect some isolated downpours in the morning . Winds will be coming in from the North East , with gusts reaching twenty-three miles per hour . Salt Lake City can expect the rain to turn to sleet in the evening . Things are looking a bit better for the South.we ’ ll see cloudy skies with a chance of showers . Later in the day , we can expect partlycloudy skies , with a forecast high of thirty-eight degrees .  
 Person1:        You heard it folks ! It ’ s gonna be a cold one !  
 Person2:That ’ s right Bill . We will have more later on today on the six o ’ clock news . That ’ s the weather forecast for this morning . 

formal