You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.

Person1: So how long have you know Jack ?
Person2: We go way back.We ' Ve known each other since we were toddlers .
Person1: Really ? You guys must be really tight .
Person2: Yeah , We're buddy-buddy still .
Person1: He seems sincere , and trustworthy .
Person2: Well , he is , but he can be conniving at times .
Person1: What do you mean ?
Person2: Well , I know that he would never stab me in the back.But I've seen him double cross other people .
Person1: Oh , my ! Really ? I never thought he would be like that .
Person2: Don't get me wrong , I'm not saying he's like that all the time .
Person1: So , can I trust him or what ?
Person2: Well , I think you should decide for yourself .
Person1: But I need someone that I can count on for this job .
Person2: Okay , Okay.You can trust him . I was just trying to give you a hard time .
Person1: Come on you're confusing me.Give it to me straight .
Person2: Actually , he's the most dependable person I know , and he would never turn on anyone .
1