import Control.Applicative ((<$>))
import Control.Monad (when, forM_)
import qualified Data.Vector as V
import Data.Vector (Vector, (!))
import qualified Data.Vector.Mutable as VM
import Data.Vector.Mutable (IOVector)

main :: IO ()
main = do
  n <- readLn
  vab <- V.generateM n f
  m <- readLn
  vxy <- V.generateM m f
  vc <- VM.replicate m 0 :: IO (IOVector Int)
  forM_ [0..n-1] $ \i -> do
    let (a, b) = vab ! i
    forM_ [0..m-1] $ \j -> do
      let (x, y) = vxy ! j
      when (a >= x && b <= y) $ VM.modify vc (+1) j
  vc' <- V.freeze vc
  pr $ snd $ V.ifoldl' g (0, []) vc'
  where
    f _ = do
      [l, m] <- map read <$> words <$> getLine :: IO [Int]
      return (l, m)
    g (mx, ls) i v
      | v == 0 = (mx, ls)
      | v > mx = (v, [i+1])
      | v == mx = (mx, (i+1) : ls)
      | otherwise = (mx, ls)
    pr ls
      | null ls = print 0
      | otherwise = mapM_ print $ reverse ls