One of the greatest advantages of having a firm grasp of English good grammar is that one can tell immediately that one is being trolled. Let's have an example: controlled opposition. I know with perfect certainty that this group (see link) is Jewish and not Palestinian. How do I know? Because the grammar, punctuation and spelling are immaculate. How do I know the spelling, punctuation and grammar are immaculate? Because I made damn sure that I have a good grasp of spelling, grammar and punctuation. https://towerhamletspalestinesolidarity.wordpress.com/