_______ is the not the sedimentary

Nitika may go to the (1)/ singing class tomorrow (2)/ if she would have recovered (3)/ from the cold, (4)/ No error (5) 

The poor pay a disproportionate higher percent of their income towards out-of-pocket expenses than the rich.

Mike said that they (A)/were in the field house on (B)/the other side of the baseball field (C)/and that he had called in to them (D).

The Air India flight AI119 was diverted to Delhi at instructions of the government’s security regulatory committee, airport sources said.

The widely publicized manifesto (a) / of the new party (b) / is not much different than ours. (c) / No Error (d) 

I’ve got a busy day tomorrow, so I think I’ll hit the sack.

Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.