Matched context for lack and pf

The page lists matched contexts for lack and pf.

Share - lack	Share - pf	Phrase
2.51%	25.27%	pressure {lack or pf}
1.03%	11.93%	fuel {lack or pf}
2.27%	3.22%	detect {lack or pf} [perform operation]
1.97%	2.28%	supply {lack or pf}
1.05%	0.86%	{lack or pf} [does] become
0.76%	0.36%	not {lack or pf}