if the gum-lac does ding tiercel then that it backpacks and it is not a kind of a glare is not correct.
sent1: the gum-lac is open-source if that the Ecuadorian is smoothed but it is not a Lascaux is not right. sent2: something does not ding tiercel if it is open-source and is a toenail. sent3: that the Ecuadorian is a smoothed but not a Lascaux is false. sent4: that the fact that the gum-lac backpacks and does glare is not true if the gum-lac dings tiercel is true.
sent1 & sent3 -> int1: the fact that the gum-lac is open-source is not wrong.; void -> assump2: Let's assume that the gum-lac is a kind of a toenail.; int1 & assump2 -> int2: the gum-lac is open-source and it is a toenail.; sent2 -> int3: if the gum-lac is open-source and is a toenail that it dings tiercel does not hold.; int2 & int3 -> int4: the gum-lac does not ding tiercel.; void -> assump1: Let's assume that the gum-lac does ding tiercel.; int4 & assump1 -> int5: this is contradiction.; [assump2] & int5 -> int6: the gum-lac is not a kind of a toenail.;
$hypothesis$ = if the gum-lac does ding tiercel then that it backpacks and it is not a kind of a glare is not correct. ; $context$ = sent1: the gum-lac is open-source if that the Ecuadorian is smoothed but it is not a Lascaux is not right. sent2: something does not ding tiercel if it is open-source and is a toenail. sent3: that the Ecuadorian is a smoothed but not a Lascaux is false. sent4: that the fact that the gum-lac backpacks and does glare is not true if the gum-lac dings tiercel is true. ; $proof$ = 
sent1 & sent3 -> int1: the fact that the gum-lac is open-source is not wrong.; void -> assump2: Let's assume that the gum-lac is a kind of a toenail.; int1 & assump2 -> int2: the gum-lac is open-source and it is a toenail.; sent2 -> int3: if the gum-lac is open-source and is a toenail that it dings tiercel does not hold.; int2 & int3 -> int4: the gum-lac does not ding tiercel.; void -> assump1: Let's assume that the gum-lac does ding tiercel.; int4 & assump1 -> int5: this is contradiction.; [assump2] & int5 -> int6: the gum-lac is not a kind of a toenail.; __UNKNOWN__