This user joins with Dickens, Melville, and other great writers[1] in rejecting the canard that which may not be used for restrictive relative clauses.
if & whether
This user knows how to use "if" and "whether" correctly.
This user is able to contribute with a near-native level of Bullshit.
strong support/ oppose
This user thinks that when people support or oppose a proposal, they should dispense with the notion that by writing Strong Support or Strong Oppose, rather than simply Support or Oppose, their support or opposition counts more.