What is the constituent structure of relative clauses – is it more like in (3a) or (3b)? Apply the substitution test to gather some evidence. (Tip: Give data involving substitution that provide support for, or evidence against, these two structures. This may involve trying more than one possible substitution.)
a. Maria likes [DP [DP this painting] [CP which Jesse bought]].
b. Maria likes [DP this [NP painting [CP which Jesse bought]]].
