Pala Jokes

Once a American(Bob) came to Dehiwalla Zoo. A Srilankan(Pala) who was guiding with him and he hardly translate English.
First Bob saw bunch of Snakes on a pond and he was asking Pala what do you call that. Pala replies that is "Waterbariyas Compound".
Second Bob saw some kind of leafs and he was asking Pala what is this. And Pala replies that is "Halapa Otheniyas".
Finally Bob saw some bugs and he was asking the same question again and Pala replies that is "Lake Puit", the correct answer was "Calamadhiriya" or "Puke Light".