How to pebble a garden<br>Tour local gardens for inspiration before planning to pebble the garden. There are a variety of ways you can pebble your garden. Check out local gardens to see ways in which landscapers have pebbles in public spaces.

Based on that paragraph can we conclude that this sentence is true?
pebbles are hard to install

OPTIONS:
 a). Yes
 b). It's impossible to say
 c). No