instruction:
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'.
question:
Person1: There must be something weighing on your mind . What is it ?
Person2:Dad , I lost mum's necklace . I'm afraid she will scold me .
Person1: Don ' t worry . I'll buy a new necklace as same as the old one .
Person2:It is so kind of you , Dad .
answer:
informal

question:
Person1: When in Rome , do as the Romans do , they say .
Person2:What do the Romans do ?
Person1: They live in Rome , of course , and go to work by car or bus . But sometimes it takes too long that way because of the traffic jams , so they walk .
Person2:In other words , the Romans do what everyone else does .
Person1: Yes , but they do it differently . Everything is different .
Person2:What do you mean ?
Person1: Well , the climate's different for a start . It doesn't rain so much as it does in England . The sun shines more often .
Person2:I envy them the sun .
Person1: I know . You hate the rain , don't you ?
Person2:I certainly do .
Person1: And a Roman really Ioves life . Eye knows how to enjoy himself .
Person2:They always eat spaghetti and drink wine , don't they ?
Person1: Not always . But they like a good meal . Lots of tourists go to Rome just for the food , you know .
Person2:Really ? How much does it cost to fly to Rome ?
Person1: I don't know exactly , but it costs a lot of money .
answer:
informal

question:
Person1: hey , Lucas , how was your trip to Paris ?
Person2:it was wonderful , but I was so tired .
Person1: did you go to the top of the Eiffel Tower ?
Person2:yes , that was the first thing we did . We went all the way to the top . There were visitors from all over the world taking photos there .
Person1: what else did you see ?
Person2:art galleries , cathedrals , statues , fountains , palaces , bistros , there's really too much to say .
Person1: you must have had a great time .
Person2:yes , at the beginning we were all excited and had lots of fun . However , on the third day of traveling in the city , I felt sick . I think I had something bad to eat , but it passed by the evening .
Person1: yes , you need to be careful with what you eat when you're abroad . Sometimes new food might disagree with you .
Person2:on the fouth day , we went to taste the French cuisine . That was really fantastic ! And no stomach problems .
Person1: that is great . Everyone says French food is wonderful .
Person2:you'll have to try for yourself some day .
answer:
informal