Ajay :  do u you ashwin , dharshan told that he got less mark in because of                     teacher
ashwin : no it is because of him . he would always play and fight and didnot                     listen to the class
ajay : oh , so he got less marks.we should tell him to concenterate in studies.
ashwin : yes, now he is upset and blaming teacher.
 you can change the name and pronouns ....................

hope it is helpful