<human>: Q: How many new classes of antibacterial antibiotics was introduced in the late 2000's/
 A: Following a 40-year hiatus in discovering new classes of antibacterial compounds, four new classes of antibacterial antibiotics have been brought into clinical use in the late 2000s and early 2010s: cyclic lipopeptides (such as daptomycin), glycylcyclines (such as tigecycline), oxazolidinones (such as linezolid), and lipiarmycins (such as fidaxomicin).
 Does the answer correctly answer the question

OPTIONS:
- yes
- no
<bot>: yes