In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Tourists to Jammu and Kashmir have another (1) ______ - a floating post office on the Dal Lake (2)______ on a carved maroon houseboat. It is fastened (3) ______ the western edge of the Dal Lake. It (4) ______ all regular postal services while being (5) ______ on the lake.