Deltathree Inc. is an American company engaged in the business of voice over IP telephony services.Users can either use the free softdialer product and make calls through their PC or sign up for the broadband phone service and receive an Analog Telephony Adapter (ATA)or the linksys PAP2 device. Both devices allows users to plug a standard phone into their internet connection and make calls independent of the PC. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Company

American Blues 'Is Here' is a studio album by the psychedelic blues-rock band American Blues. The album is sometimes referred to as simply American Blues or Is Here. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Album

The Sentinel is a collection of science fiction short stories by Arthur C. Clarke originally published in 1983.The stories written between 1946 and 1981 originally appeared in a number of magazines including Astounding Famous Fantastic Mysteries Thrilling Wonder Stories Ten Story Fantasy If The Magazine of Fantasy & Science Fiction Boys' Life Playboy and Omni. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Written Work

Paruparo mio [1] is a butterfly of the Lycaenidae family. It is endemic to the Philippines and found only on (Mindanao Island). Forewing length:16-17mm. It is quite rare species and the threat category is to be vulnerable. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Animal