To take no prisoners means to be utterly ruthless with the opposition and uncompromising or unyielding in the pursuit of one's agenda or goal, but this context describes the opposite by telling someone to be lenient
Context: "My mom always told me to tackle each difficult situation with no confidence, zero grace, and a 'lenient' attitude." Claim: "My mom always told me to tackle each difficult situation with confidence, grace, and a 'take no prisoners' attitude."
Considering the context, is the claim true, false, or unknown?