Read the conversation given below and complete the paragraph that follows :
Citizen : I have lost my mobile phone. Could you please tell me what to do ?
Policeman : You must lodge a complaint immediately at the local police station.
Citizen : Is there any hope that I will get the phone back ?
Policeman : Well, I cannot guarantee that but we will try our best.
A citizen told a policeman (a) ……….. and asked him (b) ………… . The policeman advised him (c) …………. . At which the citizen asked if there was any hope that he would get the phone back. The policeman said that he (d) but they would try their best.