Complex sentence: West Texas Intermediate (WTI), also known as Texas light sweet, is a type of crude oil used as a benchmark in oil pricing and is the underlying commodity of New York Mercantile Exchange's oil futures contracts.
Split into simpler sentences: West Texas Intermediate (WTI), also known as Texas light sweet, is a type of crude oil used as a benchmark in oil pricing. It is the underlying commodity of New York Mercantile Exchange's oil futures contracts.