#1 *(PRED unification failure from aL grounding to 'him' and off-path on upper aN)

who aN Mary claim aL Clara see him 

#2 Pattern 1

who aN Mary claim aL Clara see

#3 Pattern 2

who aL Mary claim aN Clara see him

#4 Pattern 3

who aN Mary claim aN Clara see him

#5 Core aL-multi

who aL Mary claim aL Clara see

#6 Core aN-multi

who aN Mary claim go Clara see him 

#7 *(no resumptive for lower aN)

who aN Mary claim aN Clara see Bill

#8 *(HSR)

who aN he leave

#9 *(HSR should equally apply to lower clause aN)

who aN Mary claim aN he leave