Strip ambiguity tags

I. Lvg Command:

shell> lvg -f:T -F:1:2

II. Test Cases:

cold <1>|cold
EUTHYROID SICK SYNDROME |EUTHYROID SICK SYNDROME 
SOMATIZATION DISORDER |SOMATIZATION DISORDER 
Cold agglutinin disease <2>|Cold agglutinin disease
Animal <1>|Animal
Androstenedione <1>|Androstenedione
Androsterone <1>|Androsterone
Androsterone <2>|Androsterone
Anecdotes <1>|Anecdotes
Cold agglutinin disease <2>|Cold agglutinin disease
Cold Agglutinin Disease <1>|Cold Agglutinin Disease
Anemia, Leukoerythroblastic <1>|Anemia, Leukoerythroblastic
Anesthesia <1>|Anesthesia
local anesthesia <2>|local anesthesia
spinal block <2>|spinal block
LOCAL ANESTHETICS <1>|LOCAL ANESTHETICS
Local anesthesia <1>|Local anesthesia
ANGINA VARIANT |ANGINA VARIANT 
CERAMIDE TRIHEXOSIDE LIPOIDOSIS |CERAMIDE TRIHEXOSIDE LIPOIDOSIS 
Angiotensin II <1>|Angiotensin II
angiotensin <2>|angiotensin
aniline <1>|aniline
Animal <1>|Animal
EUTHYROID SICK SYNDROME |EUTHYROID SICK SYNDROME 
CLOSTRIDIAL MYONECROSIS |CLOSTRIDIAL MYONECROSIS 
GASTRITIS GIANT HYPERTROPHIC |GASTRITIS GIANT HYPERTROPHIC 
Clap <3>|Clap
GRANULOMA INGUINALE |GRANULOMA INGUINALE 
HYPERTHYROIDISM |HYPERTHYROIDISM 
RENAL THROMBOTIC THROMBOCYTOPENIC PURPURA |RENAL THROMBOTIC THROMBOCYTOPENIC PURPURA 
RENAL FAILURE SECONDARY TO LIVER DISEASE |RENAL FAILURE SECONDARY TO LIVER DISEASE 
SOMATIZATION DISORDER |SOMATIZATION DISORDER