b: hello, you have to go straight along black street and then turn right. Then, you have to go a little bit more straight and police station is going to be on your right
a: thank you very much
c: hello, how can I come to library?
d: you have to go straight along black street for a while. You will pass super market and cinema. The library will be opposite the cinema, on your right.
a: hello, how can I get to police station?
b: hello, you have to go straight along black street and then turn right. Then, you have to go a little bit more straight and police station is going to be on your right
a: thank you very much
c: hello, how can I come to library?
d: you have to go straight along black street for a while. You will pass super market and cinema. The library will be opposite the cinema, on your right.
c: thank you so much