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'.

[Q]: Person1: Here's the picture of my family .
Person2:Can you point out your mother for me ?
Person1: OK.She ' s near-sighted , with a pair of glasses on her nose.She is the only one wearing glasses in my family .
[A]: formal

[Q]: Person1: Hi , dear , do you know what the important day is today ?
Person2:I don ' t know .
Person1: Please think it over .
Person2:Oh , I see .
Person1: Come on , dear . I know you mustn ' t forget it .
Person2:It ' s Saturday , a great weekend .
Person1: Ur , you really let me down .
Person2:Don ' t be angry with me . I have a bad memory .
Person1: No , you haven ' t . You just don ' t care about me . You ' re an indifferent husband .
Person2:What day is it on earth ?
Person1: It ' s an anniversary of our weeding .
[A]: informal

[Q]: Person1: Here ' s your hot dog and beer . What happened ? Did I miss anything ?
Person2:Yeah , Cal Ripen just hit a home run .
Person1: What ' s the score ?
Person2:Well it was 3 to 4 , but Ripen ' s home run made it 5 to 4 since another player was on first base .
Person1: So Baltimore is winning ?
Person2:Right .
Person1: This is a really great place to watch a baseball game .
Person2:Yeah , there isn ' t a bad seat in the place .
Person1: The fans are great here , too . Not like in Philadelphia .
Person2:It was a great idea to spend a day watching a game .
Person1: Yeah , it reminds you why they say baseball is America ' s favorite pastime .
[A]:
informal