I've rephrased the answer of an OG question below. X will sometimes fail to detect Y when IT exists and will indicate that IT exists when IT does not. 1. In the sentence above does 'IT' unambiguously refer to Y or can it also also refer to X ? All three occurances of IT unambiguously refer to Y. If...

Ron, I am bit confused...Below is a similar SC from MGMT .New subject c ompany's manager has been introduced.Can you please let me know why do we need to introduce a new subject? By applying optimization techniques commonly used to plan operations, it is possible to determine how much effort ought t...

Classical guitar was not prestigious and was not often played in concert halls until Andres Segovia revived it in the mid-twentieth century, after he was won over by the sound despite the instrument's relative obscurity.

Don't we require its sound instead of The sound.?
Am I missing sth?

The Confederate general Stonewall Jackson led a feared army that idolized him; they all mourned his ironic death from "friendly fire." A.him; they all mourned his B.him; they mourned his C.him; it mourned his D.him; it mourned their E.him, it mourned his SRC MGMT. MGMT says A is wrong bec...

In above sentence (src MGMT :CAT 4), doesn't the use of "Previously" clearly state that "believed" happened before "demonstrated"? Don't we use past perfect to make sequence of events clear? Please help