Sentence:  He concluded that the anaconda 's maximum length is 12 or 13 ( perhaps 14 ) meters , which would approximate from 39 to 42 feet ( 14 meters <WSD>is</WSD> slightly less that 46 feet ) . 
Meaning of the word marked with <WSD> tags:  happen, occur, take place; this was during the visit to my parents' house"